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Topic: Suggestion: Redistributing Lost Funds by Erosion (Read 324 times)

legendary
Activity: 2912
Merit: 6403
Blackjack.fun
February 24, 2018, 06:01:48 AM
#32
banksters? to charity? are you kidding me? I have never in my life heard of such a thing as a greedy bankster helping a charity out...

http://www.raportcsr.ingbank.pl/en/landscape/community/ing-for-children-foundation/
20 million euros in one year....

I could give you a lot more examples from my country, unfortunately they are not in English.
Paribas helped plating 25 000 trees right next to my city two years ago.

Stop with the "all banks bankers lawyers governments are evil".
Labeling people like that isn't putting you in a better light eitther.



newbie
Activity: 29
Merit: 0
Although this May sound horrible, it's quite legally correct. I run a banking group in London, and this is what the regulations call for. When someone is not actively using his personal or real property, it can be subject to adverse possession, where 3rd parties can simply legally take possession of the property after being in possession for quite a length of tim.

You can Google the doctrine of adverse possession yourselves for more information. Banks probably have some kind of adverse possession type clause for their inactive, dormant accounts.
(...)
Oh I will definitely read more on the subject. At least in my country (terminology differs but I think it is legally the same) what you are describing takes 25 years to take effect. 25 years is not 3.

I have read on Swiss banks actively using founds deposited by holocaust victims during WWII, so banks do that too.

It's horrible to use funds from holocaust victims. They should have just sent it to a charity??
In America adverse possession is usually varied by state law, with some states only requiring 7 years of continued unopposed possession
banksters? to charity? are you kidding me? I have never in my life heard of such a thing as a greedy bankster helping a charity out...

This is different man.,, those are the victims of the most disturbing thing in Europe... how could they sleep at all knowing they pocketed the money of the victims of the holocaust where they suffered unimaginable things..
member
Activity: 392
Merit: 39
Although this May sound horrible, it's quite legally correct. I run a banking group in London, and this is what the regulations call for. When someone is not actively using his personal or real property, it can be subject to adverse possession, where 3rd parties can simply legally take possession of the property after being in possession for quite a length of tim.

You can Google the doctrine of adverse possession yourselves for more information. Banks probably have some kind of adverse possession type clause for their inactive, dormant accounts.
(...)
Oh I will definitely read more on the subject. At least in my country (terminology differs but I think it is legally the same) what you are describing takes 25 years to take effect. 25 years is not 3.

I have read on Swiss banks actively using founds deposited by holocaust victims during WWII, so banks do that too.

It's horrible to use funds from holocaust victims. They should have just sent it to a charity??
In America adverse possession is usually varied by state law, with some states only requiring 7 years of continued unopposed possession
banksters? to charity? are you kidding me? I have never in my life heard of such a thing as a greedy bankster helping a charity out...
newbie
Activity: 29
Merit: 0
Although this May sound horrible, it's quite legally correct. I run a banking group in London, and this is what the regulations call for. When someone is not actively using his personal or real property, it can be subject to adverse possession, where 3rd parties can simply legally take possession of the property after being in possession for quite a length of tim.

You can Google the doctrine of adverse possession yourselves for more information. Banks probably have some kind of adverse possession type clause for their inactive, dormant accounts.
(...)
Oh I will definitely read more on the subject. At least in my country (terminology differs but I think it is legally the same) what you are describing takes 25 years to take effect. 25 years is not 3.

I have read on Swiss banks actively using founds deposited by holocaust victims during WWII, so banks do that too.

It's horrible to use funds from holocaust victims. They should have just sent it to a charity??
In America adverse possession is usually varied by state law, with some states only requiring 7 years of continued unopposed possession
newbie
Activity: 113
Merit: 0
This is a very bad idea. People has the right to HODL until they want to use it. No one can force other people to use their asset.
I have a suggestion, and I'd like the community's thoughts.

It is well known that many bitcoins are no longer accessible due to loss of private keys, but no one knows how much. While estimates exist, they rely on imprecise methods. Most famously, there is still a large amount of bitcoin in Satoshi's wallet, and it is unclear whether they will ever be spent. This phenomenon causes undesirable uncertainty in the market, undercuts the slogan "there will eventually be ~21 million bitcoins", and in a sense causes deflation.

I thought of a way to increase transparency as to how many bitcoins are actually in circulation, and also increase miners' rewards, through a process that somewhat resembles erosion (hence the name). Seems to me it can be implemented as a soft-fork, though I haven't worked out the details to verify this (I'd like to hear what the community thinks about this idea before delving in more deeply, if ever).

Onto the idea itself. I'll make up some parameters as an example. Basically, from the moment an address receives funds, a countdown begins. Whatever funds are left in the address after 3 year will start eroding, meaning that every week from then on another 0.1% of the amount in that address may be taken by the miner (technically each block will contain a list of addresses with the funds that were taken).

If you have funds sitting in an address and you don't want them to erode, all you have to do is spend them to yourself once every 3 years. Hot wallets can automate this, and cold wallets can warn you to do this manually. Even if you forget, assuming you at least check once in a while that your funds are in place, you would see the erosion that began, and take action before much damage took place.

Although I don't think it's technically possible to include these eroded funds in the coinbase transaction itself (as that would make it a hard-fork), they could be implemented to act as if they were, i.e. they must mature 100 blocks before being spendable.

So to reiterate, we gain (a) transparency as to how many bitcoins are in circulation, since users are incentivized to prove that they still possess their private key every once in a while, and (b) miners will be able to access lost funds, returning them into circulation and increasing the security of the network.

I go into a bit more detail here to those interested: https://gist.github.com/yotamDvir/e7ff52a34460f3c9a6bf3051b0e51414.
legendary
Activity: 2912
Merit: 6403
Blackjack.fun
I'm my own bank, I have my coins, those are mine, nobody else should try to touch, spend, divide, decay, move ....whatever them.

I don't consider this telling people what to do with their money, since sending money between addresses in the same wallet is just a technicality. Everyone is still keeping their own money. Consider this: when you spend money from an address, Bitcoin protocol forces you to spend all the money from that address (keeping change by adding another output). Seems similar to me, in the sense that technically you're forced to do something particular with your money, but not really, since it's just details of the protocal that don't affect you (again, similar assuming you can access your prvkeys)


When you spend money from an address is something you want to do, nobody is forcing you to do that.
What you plan on doing, is forcing me to take action in order to not lose (a part of) my coins.

Small but crucial difference.

Quote
The while word there is important. This isn't trying to solve a problem of people losing their funds, but something different. Unfortunately, in this proposal adds a possibility of losing funds. The point is that erosion is very slow and starts only after a long time, so it should be trivial to avoid any loss whatsoever, and losing very little if mistakes happen (this is assuming you have access to you own prvkey at least once in a while, which now I understand is not valid in all cases).

If this erosion is slow and starts after a long time, you might have to think what impact will it have.
Because if we talk 0.1% BTC will die (along with the humanrace) before it will have any effect.
And if you change the percentages...a small mistake will become a big one.





hero member
Activity: 1470
Merit: 655
you know what you are doing, you are creating a problem then trying to solve that problem that didn't exist otherwise. that is the problem!

Yeah, it's an old idea that went nowhere till now.

I've tried to look it up when I was thinking about this and nothing came up. Mind sharing a link to a place that discusses it (as a soft-fork for Bitcoin)?

this is indeed an old subject but interestingly enough i couldn't find much either except the famous hot argument about Satoshi's coins which is directly related to this. https://bitcointalksearch.org/topic/theymos-bitcoins-belonging-to-satoshi-should-be-destroyed-1469099
newbie
Activity: 6
Merit: 0
Yeah, it's an old idea that went nowhere till now.

I've tried to look it up when I was thinking about this and nothing came up. Mind sharing a link to a place that discusses it (as a soft-fork for Bitcoin)?

The whole point is to make it as easy as possible to not lose any money, while still being able to reusing lost funds (although at a significant delay unfortunately).
I've probably missed the part in which this "solution" does this.

The while word there is important. This isn't trying to solve a problem of people losing their funds, but something different. Unfortunately, in this proposal adds a possibility of losing funds. The point is that erosion is very slow and starts only after a long time, so it should be trivial to avoid any loss whatsoever, and losing very little if mistakes happen (this is assuming you have access to you own prvkey at least once in a while, which now I understand is not valid in all cases).

I'm my own bank, I have my coins, those are mine, nobody else should try to touch, spend, divide, decay, move ....whatever them.

I don't consider this telling people what to do with their money, since sending money between addresses in the same wallet is just a technicality. Everyone is still keeping their own money. Consider this: when you spend money from an address, Bitcoin protocol forces you to spend all the money from that address (keeping change by adding another output). Seems similar to me, in the sense that technically you're forced to do something particular with your money, but not really, since it's just details of the protocal that don't affect you (again, similar assuming you can access your prvkeys)

----

To summarize, seems to me at least some of you agree that the upsides of this proposal are worthwhile, but the trade-off (needing to move funds between different addresses in your wallet once in a while) is unacceptable, no matter what delay is chosen before erosion begins, or how slowly it occurs. I did not consider the scenario of people with cold wallets without access to prvkeys for very long durations, which is indeed a problem. I would never put myself in such a situation anyway, but others are free to do so. Otherwise, it's just a matter that people feel this requirement encroaches on their freedom of using their coins. I don't feel this way, but I can't quite argue with that either.
legendary
Activity: 2912
Merit: 6403
Blackjack.fun
nice effort. but this is basically forcing people to move their coins. maybe i like to buy 1 bitcoin and hold it for my retirement and i don't care what happens during that time. my retirement is not for (lets say) 30 years. with this you are forcing me to move my coins against my will every couple of years.
and that creates a large number of on-chain transactions that wouldn't have existed otherwise.

i haven't really checked this but i believe UnitedBitcoin (UB) is already doing something similar to this. you may want to see for yourself what the differences are: https://www.ub.com/

Yeah, it's an old idea that went nowhere till now.
Of course the clogging of the chain could be solved by pruning but this "solution" might hurt innocent people.
One case I can think of it is inheritance, both when happening normally or when there is a legal dispute.
You wait for those 1000 BTC and when you finally get the prvkey , they are gone.


Although this May sound horrible, it's quite legally correct. I run a banking group in London, and this is what the regulations call for. When someone is not actively using his personal or real property, it can be subject to adverse possession, where 3rd parties can simply legally take possession of the property after being in possession for quite a length of tim.

It might just be my impression, or I've understand it wrong from the first time....but wasn't bitcoin supposed to get rid of the traditional way banks banks deal with their customers?  /s

A central value in bitcoin is that we don't tell each other what to do with each others money.

One line, summing it all perfectly.
This!!! I'm my own bank, I have my coins, those are mine, nobody else should try to touch, spend, divide, decay, move ....whatever them.

The whole point is to make it as easy as possible to not lose any money, while still being able to reusing lost funds (although at a significant delay unfortunately).

I've probably missed the part in which this "solution" does this.

newbie
Activity: 6
Merit: 0
Your "proof of possession" concept is (also) on a collision course with the "proof of burn" concept.  By design, the burned coins cannot be moved - ever.

I agree, though this is trivial to solve. Simply exempt that one address from this rule. So there will be 21m minus whatever is burnt. Still has the advantages I listed.


nope im seeing the bigger broader picture. and this idea is not new, and has been laughed at, tried, tested and failed and laughed at again and again many times (see my p.s at the end for a hint)


Equating this idea with what you’re referring to (some altcoin implementing demurrage) only makes some sense if you think one transaction once every few years is expensive, which it isn’t, especially when you don’t care for quick confirmation. So if you do move your funds, you incur virtually no penalty (yes you do need to pay regular transaction fees though, I don’t think there’s a way to get around that - maybe they could be lowered by replacing regular transactions with some kind of signaling that is lighter in size, though that would probably complicate implimination). Once again, you're trying to say I'm suggesting people should lose funds over time, which completely misses the point. The whole point is to make it as easy as possible to not lose any money, while still being able to reusing lost funds (although at a significant delay unfortunately).

Also, has bitcoin not been laughed at time and time again? Don't argue through intimidation please.


my PUBLIC key is my identity. i can paste that into a explorer and check the value without needing to touch my private key. i do not want to change my identity just to keep some mining pool from robbing me fast or slow.


You’re still making the same mistake. You know your public key has multiple different addresses, right? You are NOT forced to change your public key, private key, wallet, identity, number of children (that was kind of funny though), anything except the address at which the funds reside - you just send your funds from the address with the funds to another (fresh) address you own in the same wallet.


my private keys are locked away to avoid me getting tempted to spend.


Well, OK, something to consider. I don't think personal temptations should enter the equation, but I guess this is a subjective matter.


my analogies of banks(pools) where your hope that banks(pools) will trickle the funds out to the community is obsurd.


What is mining? What are fees? You’re objecting to what Bitcoin already is. I’m not hoping they will trickle down anything. They obviously have to buy stuff with the bitcoins they mine (electricity, equipment, paychecks). Again, this is just what mining already is.
legendary
Activity: 4424
Merit: 4794

ok in 3 years time from today. if you have not changed your mortgage deed into your spouses name.. the bank gets the house.. even if its fully paid for and in your name

.....

it makes you poorer and banks richer.
its not redistributing wealth to the needy..
trickle down economics does not work

so.. let you practice wat you preach today.. before trying to suggest its wat the community should be forced to do

.....


so moving coins from hoarders to mining pools wont make a blinding bit of difference to the market transparency. its just giving mining pools a free 0.1% bonus while making savers 0.1% poorer

It starts to look like you're just intentionally misunderstanding me. I said multiple time that you would send to yourself. You are in no way forced to send coins to addresses of different wallets. I myself don't mind doing that at all, otherwise I wouldn't have proposed this in the first place.

Banks? Trickle down economic? Redistributing to the needy?
What are you talking about? Who is saying any of this?

nope im seeing the bigger broader picture. and this idea is not new, and has been laughed at, tried, tested and failed and laughed at again and again many times (see my p.s at the end for a hint)

i have all my funds in cold storage.
my private keys are locked away to avoid me getting tempted to spend.

my PUBLIC key is my identity. i can paste that into a explorer and check the value without needing to touch my private key. i do not want to change my identity just to keep some mining pool from robbing me fast or slow.

my analogies of banks(pools) where your hope that banks(pools) will trickle the funds out to the community is obsurd. taking coins from 1 person does not guarantee the community are better off.. it guarantees the bank(pool) is better off and the community is worse off

in FIAT and bitcoin trickle down economics does not work.

it just ends up as a banker(pool) bonus

P.S your idea is not new, and your desires are not new.
research: freicoin demurrage
legendary
Activity: 3808
Merit: 7912
 Your "proof of possession" concept is (also) on a collision course with the "proof of burn" concept.  By design, the burned coins cannot be moved - ever.


newbie
Activity: 6
Merit: 0

ok in 3 years time from today. if you have not changed your mortgage deed into your spouses name.. the bank gets the house.. even if its fully paid for and in your name

.....

it makes you poorer and banks richer.
its not redistributing wealth to the needy..
trickle down economics does not work

so.. let you practice wat you preach today.. before trying to suggest its wat the community should be forced to do

.....


so moving coins from hoarders to mining pools wont make a blinding bit of difference to the market transparency. its just giving mining pools a free 0.1% bonus while making savers 0.1% poorer

It starts to look like you're just intentionally misunderstanding me. I said multiple time that you would send to yourself. You are in no way forced to send coins to addresses of different wallets. I myself don't mind doing that at all, otherwise I wouldn't have proposed this in the first place.

Banks? Trickle down economic? Redistributing to the needy?
What are you talking about? Who is saying any of this?

---------

As for the legitimate argument made by others.

I may want to set some aside in separate wallets for my children and grandchildren. These coins could sit there for 50 years before we access them. I don’t want anyone taking my retirement money or the money I want to leave to my family after I die.

I admit I haven't thought about people creating multiple cold storage long term wallets for others to use in the far future that they cannot reasonably access every once in a while. However, know this is somewhat unsafe, as cryptographic methods have a tendency to break over time, by vulnerabilities being found and technological advances. It is likely you will need to migrate your wallet to eliminate a threat of theft, so keeping funds like that may not be a good idea. However, you should be free to make this decision... So ultimately I agree.
legendary
Activity: 4424
Merit: 4794
This is about knowing how many units there are in circulation, to add transparency in the market.

lol
transparency of the market

just look at the buys and sells order books.. you cant get more transparent
one BIG thing you are missing the point of is this:

even though there are 16.9mill coins produced. guess what.. it does not matter if 10 coins or 1 million coins are lost.

market movement is not about the 16.89999mill coins that are active or the 15.9m coins that are active

market movements are based on the 0.001btc to 5btc on an order line.
yep exchanges are not hoarding all 16.9m coins. and prices are not based on entire circulation. its based on a small subset amount of coins that are actually visible on exchanges.

so moving coins from hoarders to mining pools wont make a blinding bit of difference to the market transparency. its just giving mining pools a free 0.1% bonus while making savers 0.1% poorer
legendary
Activity: 1401
Merit: 1008
northern exposure
It has no sense for me, what you are proposing is to bother people time to time without any good reason, while this will not solved the main problem of all those lost bitcoins ... so in the end you are proposing to have more problems than before xD


I don’t think is going to work because I may want to put my Bitcoins in a wallet and hold it for 30 years so I can use it for retirement. Or I may want to set some aside in separate wallets for my children and grandchildren. These coins could sit there for 50 years before we access them. I don’t want anyone taking my retirement money or the money I want to leave to my family after I die.

Exactly and this is only one example...
newbie
Activity: 6
Merit: 0
Thanks everyone except one of you for responding so politely *ehm ehm*
Here are my responses.

Although this May sound horrible, it's quite legally correct. I run a banking group in London, and this is what the regulations call for. When someone is not actively using his personal or real property, it can be subject to adverse possession, where 3rd parties can simply legally take possession …

Interesting, learned something new.

That said, it's fitting for a majority decision whether or not clearly abandoned coins are redistributed or not. Let the decentralized majority decide to adversely possess dormant bitcoins. No one can complain because it is a majority vote

You actually need a supermajority to activate this as a soft-fork, but yes I agree.

this is the key problem with your idea.
your only base for calling some funds lost is the last time they have been accessed. so what you are calling "lost" others may call their "retirement funds".

Well only if they can't bring themselves to make a simple transaction at the necessary intervals, but as Franky1 said there are situations where this is actually the case. So in those specific cases this is a problem, I agree.

So if I want to store my coins in a time-locked address using OP_CHECKLOCKTIMEVERIFY (OP_HODL) for, say, 4 years after that soft-fork, my coins would slowly start to erode at the 3 year mark?

Good point. What if locked coins don’t erode, i.e. count starts from the point the lock is released? This half-solves the point about the retirement funds / hodling, as you can lock funds and have them not erode. This also makes the proposal less effective, but not moot.

This will discourage people to invest in Bitcoin. What Store of Value will Bitcoin be, if you wealth will erode over time?

Once again, it only erodes if you fail to do a very simple procedure every few years. And if it helps stabilize the market price and incentivizes mining, then the pros could outweigh the cons, thus encouraging investment. As it is now, Bitcoin suffers from the same problem fiat and gold do, which is no one really knows how much exists of them.

If I find my lost private key some years later, and see that my bitcoins are vanished, makes me feel very sad.

They won't vanish after a few year, erosion should be very slow. The numbers I gave in the example are perhaps too high though, as I've mentioned whatever passes 95% consensus is what will eventually be implemented.

A central value in bitcoin is that we don't tell each other what to do with each others money.

I don't see this as losing control in any way. It's just a stronger requirement of proof of possession.

There is absolutely no way on Earth to tell what coins are in cold storage and what coins are lost.

The whole point of this proposal is to create such a way.

There is also no reason whatsoever to do this and it addresses no problem. Bitcoin would work exactly the same way even if there were only 1 bitcoin. Or even less. The total production of BTC, 21million coins, is an arbitrary number and could have been 10 million or 100 million.  The coins that are now inaccessible are gone forever. Stop thinking about them, lol.

Yeah I also think the units thing is dumb, this isn't about that. This is about knowing how many units there are in circulation, to add transparency in the market.

I dont like the idea of forcing others to use the coins under the threat of confiscation. The confiscation resistence is one of the main advantages of Bitcoin, not its weakness!

I don't see it as using, since you're sending to yourself. It's more like signaling "hey, someone is still using these."

Maybe you should describe better how it could be a softfork change, because it all looks like hardfork to me.

You would need a new field in the block to list the erosion effect, and a new kind of transaction (like Segwit) that can spend these eroded coins, both of these in places that are ignored by old client. Also new clients will not accept transactions that disregard erosion.
However, as I said I may be completely wrong here, and I am definitely not advocating a hard-fork for this.

Others have said that it is a terible idea because so many things that I will not repeat those arguments.

What I want to say is that I really cannot see any benefits to this idea, either. What is the difference if the total supply is lowered by say circa 5% to 20m? It only means that the bitcoins remaining in circulation are that little bit more expensive in a long run.

Again, not about the units. The problem is no one knows if its 5% or 10% or 15% or 50%, so you estimate, which could blow up in your face one day. Imagine Satoshi starts spending their coins today...
hero member
Activity: 1008
Merit: 510
I don’t think is going to work because I may want to put my Bitcoins in a wallet and hold it for 30 years so I can use it for retirement. Or I may want to set some aside in separate wallets for my children and grandchildren. These coins could sit there for 50 years before we access them. I don’t want anyone taking my retirement money or the money I want to leave to my family after I die.
legendary
Activity: 4424
Merit: 4794
you have not touched your pension pot in 3 years so its time you start handing it out..

Yes maybe I should have been clearer about this here: the count will only begin after the soft-fork takes effect, so all users will have a good few years to hear about this change in consensus (I did write it in the link I posted btw). Haven't thought about people that have already intentionally locked their private keys away for many years without them being able to access them at all. It that a thing?

Just want to clarify once again, the point is not that people should hand out money after some time, only to redistribute funds that are actually lost.

ok in 3 years time from today. if you have not changed your mortgage deed into your spouses name.. the bank gets the house.. even if its fully paid for and in your name
ok in 3 years from today. unless you changed your car or changed the car registration into someone elses name.. the bank gets that too..
oh and the savings you want to lock today for your kids college in a decade.. well in 3 years time the bank gets that too.. same with your pension pot that usually has a 40year lock on it.

do you see the point
it makes you poorer and banks richer.
its not redistributing wealth to the needy..
trickle down economics does not work

oh and that family hierloom thats stayed in your family for 5 generations.. you better having kids every 2 and a half years so they can play pass the parcel with it.. else the bank will be round with the removal trucks.

so.. let you practice wat you preach today.. before trying to suggest its wat the community should be forced to do
legendary
Activity: 3808
Merit: 7912
I have a suggestion, and I'd like the community's thoughts.

It is well known that many bitcoins are no longer accessible due to loss of private keys, but no one knows how much. While estimates exist, they rely on imprecise methods. Most famously, there is still a large amount of bitcoin in Satoshi's wallet, and it is unclear whether they will ever be spent. This phenomenon causes undesirable uncertainty in the market, undercuts the slogan "there will eventually be ~21 million bitcoins", and in a sense causes deflation.

I thought of a way to increase transparency as to how many bitcoins are actually in circulation, and also increase miners' rewards, through a process that somewhat resembles erosion (hence the name). Seems to me it can be implemented as a soft-fork, though I haven't worked out the details to verify this (I'd like to hear what the community thinks about this idea before delving in more deeply, if ever).

Onto the idea itself. I'll make up some parameters as an example. Basically, from the moment an address receives funds, a countdown begins. Whatever funds are left in the address after 3 year will start eroding, meaning that every week from then on another 0.1% of the amount in that address may be taken by the miner (technically each block will contain a list of addresses with the funds that were taken).

If you have funds sitting in an address and you don't want them to erode, all you have to do is spend them to yourself once every 3 years. Hot wallets can automate this, and cold wallets can warn you to do this manually. Even if you forget, assuming you at least check once in a while that your funds are in place, you would see the erosion that began, and take action before much damage took place.

Although I don't think it's technically possible to include these eroded funds in the coinbase transaction itself (as that would make it a hard-fork), they could be implemented to act as if they were, i.e. they must mature 100 blocks before being spendable.

So to reiterate, we gain (a) transparency as to how many bitcoins are in circulation, since users are incentivized to prove that they still possess their private key every once in a while, and (b) miners will be able to access lost funds, returning them into circulation and increasing the security of the network.

I go into a bit more detail here to those interested: https://gist.github.com/yotamDvir/e7ff52a34460f3c9a6bf3051b0e51414.

 I can't believe the Bitcoin community is responding so politely.  Not even one GTFO?



member
Activity: 196
Merit: 23
Large scale, green crypto mining ICO
Although this May sound horrible, it's quite legally correct. I run a banking group in London, and this is what the regulations call for. When someone is not actively using his personal or real property, it can be subject to adverse possession, where 3rd parties can simply legally take possession of the property after being in possession for quite a length of tim.

You can Google the doctrine of adverse possession yourselves for more information. Banks probably have some kind of adverse possession type clause for their inactive, dormant accounts.
(...)
Oh I will definitely read more on the subject. At least in my country (terminology differs but I think it is legally the same) what you are describing takes 25 years to take effect. 25 years is not 3.

I have read on Swiss banks actively using founds deposited by holocaust victims during WWII, so banks do that too.
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