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Topic: UPDATE - page 2. (Read 1699 times)

legendary
Activity: 4410
Merit: 4766
October 28, 2015, 08:11:55 AM
#8
"There were about 370,000 nodes in past, but now it's only about 5000 nodes because blockchain is big
In future, i think there'll less nodes, but all of them are very powerful"


Is not a problem that the verify of transaction go in the hands of a "few" of person?

theres more then 5000 nodes.
that bitnodes site that meant to list the 5000, misses out sooooo many nodes.. i know of 10 people that have full nodes running and none of their IP's show up.

even if 1 out of 10 people i know was actually listed.. then thats roughly a 10% visability. meaning there would be potentially 50,000 nodes.
but because none of the 10 show up. i think the odds of visability are much lower.. so lets say it was 1%.. it would make the potential nodes 500,000.

short story
dont beleive all statistics, some key data may be missing
legendary
Activity: 4410
Merit: 4766
October 28, 2015, 08:07:38 AM
#7

- the probability that anyone generate a bruteforce attack generating a lot of keys (public,private) and steal bitcoin

Thank you
All bitcoin private keys were already exposed here www.directory.io , www.buttcoins.com . Unfortunately, No one can find a bitcoin address with balance. Because of probability & maths.

thats an april fools joke.

the fool made like 1 page of valid addresses and then the other hundreds of pages are keys that are random and dont match.. in short it was a joke to scare people, and it looks like you fell for it
legendary
Activity: 3038
Merit: 4418
Crypto Swap Exchange
October 28, 2015, 08:06:31 AM
#6
-snip-
- the weight of block-chain that can reach and go over 1TB (it start to become to big for a lot of users)
Running a full node isn't mandatory for most user who requires basic functions such as sending and receiving. Additionally, users could implement block pruning in the future which would reduce the size. Only a few nodes are needed to run the full copy.
- the computing power required to confirm every more and more transaction (not for all again)
The computing power does not need to grow to confirm more transactions. Node wise, I believe there is a prototype that can achieve 4000transactions per second on a CPU that is 3 generations older. It should improve with the recent CPU release.
- the probability that the check system could go all to less companies that can substain power and storage
I don't get that.
- the probability that anyone can generate a private key from my public key.
No one can know your public key except those who have your private key.
- the probability that anyone generate a bruteforce attack generating a lot of keys (public,private) and steal bitcoin
Highly impossible and expensive. There is 2^160 keys that exist, it would take the power of several suns and extremely efficient computing power to stand a chance and it would still take thousands of years. However, it would be possible if the wallet has a weak RNG implementation, generating non random and easily guessable private keys.
Thank you
Welcome.
legendary
Activity: 4410
Merit: 4766
October 28, 2015, 08:06:12 AM
#5

Hi, as perfect cryptocoins newbie, i am wondering about the future of the BTC if:

- the weight of block-chain that can reach and go over 1TB (it start to become to big for a lot of users)

lets say the blocklimit is 20mb a block. and if every block was filled to the brim.. then the blockchain would grow by 1tb a year,
some people see this as a problem.
but the truth is we live in the 21st century.. where internet speeds are faster than the speed of block creations. where data storage is not millions of pounds. but hundreds.
for instance, the 1mb limit has been standard for a while now, but the blockchain has not grown by 52gb a year. so although its possible to download and store a 1tb a year blockchain growth, the chances that it would actually be 1tb a year is less of a worry.

- the computing power required to confirm every more and more transaction (not for all again)

more computing difficulty=more security,. yes hobby miners are a thing of the past. but then again so is digging up your own back garden and hoping for gold or oil,
in the end the reduction of block reward will find a balance as the profitability vs electric will make large farms change tactics... there will be a Plato effect that will level things out where industry's cant solely manage the mining and will require decentralised farms. in short the electricity companies wont have enough power to serve a single location, and thus it needs multiple locations/entities to get around electricity company limits

- the probability that the check system could go all to less companies that can substain power and storage
again the check system will actually become more decentralised in the future. because there is actually an electrical limit to a certain location.

- the probability that anyone can generate a private key from my public key
there are more grains of sand in the universe then chances of cracking it. but there are many other topics that will tell you the real numbers

- the probability that anyone generate a bruteforce attack generating a lot of keys (public,private) and steal bitcoin

Thank you
there are more grains of sand in the universe then chances of cracking it. but there are many other topics that will tell you the real numbers

even if things change.. the great thing about bitcoin. is that it can adapt.
1024bit encryption can be implemented.
setting up supernodes can ensure the blockchain ledger stays clean
businesses doing offchain transactions for instant and small transactions (pocketmoney amounts) to reduce bloat.

bitcoin can adapt.
full member
Activity: 235
Merit: 100
October 28, 2015, 08:04:57 AM
#4

- the probability that anyone generate a bruteforce attack generating a lot of keys (public,private) and steal bitcoin

Thank you
All bitcoin private keys were already exposed here www.directory.io , www.buttcoins.com . Unfortunately, No one can find a bitcoin address with balance. Because of probability & maths.
legendary
Activity: 1039
Merit: 1005
October 28, 2015, 07:53:14 AM
#3
XT is not "another system" but a potential fork. Whether it will gain a majority is unclear.
Whenever a cryptocurrency enjoys/suffers a fork, transactions mined before the fork stay visible in both branches, so you don't need to fear for your BTC.
However, anything done in one branch only isn't visible in the other branch.
In reality, should a fork actually happen, one of the branches will die out relatively quickly, depending on what the majority of miners prefer.

Onkel Paul
legendary
Activity: 3248
Merit: 1070
October 28, 2015, 07:37:58 AM
#2
the last one is collission, and we can all agree that it's not a threat

the one before require quantum computer to break the ecdsa, not a threat for now, they said they would change the algo, but it will arise other problems

the first point is what the whole xt drama is all about, there are other better solution, one of these will kick in when needed, i hope for dynamic block limit bip103...
member
Activity: 71
Merit: 10
October 28, 2015, 07:19:03 AM
#1
UPDATE
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