Topic: z (Read 8971 times)

copumpkin, your cause is just. This may help you in your quest.

Interesting story about the nickname... http://en.wikipedia.org/wiki/Dread_Pirate_Roberts
Very fitting.

I had never thought of that possibility! 

But no, it's too Hollywood to be true.

100% serious. DPR they call him.

The nickname used by the SR admin is "Dread Pirate Roberts" lol

So it's possible that this is MtGox's 'hot wallet'.

The reason I said I seemed to be many wallets mixed together is that it contains at least 5 of the addresses which receive interest from BS&T each week.  But it's quite possible that those 5 people have given MtGox deposit addresses as their BS&T interest payment address.

There is no need to add anything to the bitcoin client.

The raw transaction API provides everything needed for full input/output control when building transactions.

it proves only that it is not anonymous by default. All the ingredients are in place for you to have a 100% anon 'offline' exchange with bitcoin. It is up to the indivduals involved to set their lvl of anonymity.

The above quote portion  of "-pirate" owned addy proves what? It proves that some random internet pseudonym 'pirate', may or may not control that stated address. And that all the other addersses listed, that you have no idea who they belong to sent or received BTC that may or may not have came from or went to that stated address at some point....

Cash wouldn't be, if serial numbers were recorded.

Bitcoins can be the same way, if private keys are exchanged.

Which goes to prove, again, that bitcoins are not anonymous. They lack this one ingredient to truly be like "offline" money.

Maybe MtGox, they allow imports + swipes of private keys, right?

Thanks for the code znort - I'm impressed by how fast it is.

I notice that 1113qRXdSA3Sdioib76mGSv9cfUYTY3xn is in a cluster of 191939 addresses.  It seems to be the combination of many different wallets.  Are you aware of a mixing service which would cause this to happen?

Use these as "seed", even though you can't put a name tag on them.

For visualization it might be interesting to use http://code.google.com/p/gource/ maybe, or just gephi.

Wouldn't a brute-forcey way to do this be to take every output from all transactions out of the known pirate cluster and try to build clusters of those, too? Each output from pirate's cluster can get the znort treatment to build pseudo-wallets, and then you could make another pass to tally up total movements between all the clusters you care about. Feed into graphviz, make directed arrows between clusters with thickness dependent on how much total movement went in that direction, and make the cluster (visual) size proportional to total balance in the cluster at the end of the period. For extra points, animate this over time with edge thickness showing an exponential weighted average, and cluster size being instantaneous total coins.

Unfortunately, the computational complexity of running your algorithm once for each output sounds prohibitive, so we probably need a smarter approach

P.S: I still haven't had a chance to play with the union-find approach to building clusters. If we wanted to apply the idea to this multi-cluster problem, we'd probably want to store the data on disk somewhere, both for easier access and to avoid eating someone's RAM. Luckily, the union-find structure is pretty trivial to implement in a database, if you don't mind an additional logarithmic factor in the lookup (which some might argue you're getting anyway when dereferencing pointers in memory).

Well, at least he still seems to be able to get rid of huge blocks of BTC at once...

Next step should be imho to do the following:
Create clusters out of all addresses where money from or to pirate was transmitted, then write the complete sums as incoming/outgoing to each of them.

Example:
Cluster 1: Sent 1500 to pirate, received 170 from pirate (addresses: 1bitcoinaddress1234, ...)
Cluster 2: Sent 10000 to pirates, received 1337 from pirate (addresses: 1otheraddress1234, ...)

Then it would be apparent (maybe) if there's a cluster (or several clusters) where a lot of funds from pirate are going to and/or coming from.

Other than an appeal to nature, why are "the actual resources of the earth" more desirable than the alternative?

A planned economy controlled by the intellectual elite didn't work in the USSR or anywhere else it has ever been tried.

The ideas in the Venus Project are taken nearly word-for-word from the 1917 Russian Revolution propaganda but with computers this time, as if that's going to make a difference.

Or a reason to abandon arbitrary games, false authority and antiquated traditions. Why don't we base our economy of of the actual resources of the earth as opposed to an idea called money. We can use science and technology to our benefit, but only if we stop being funneled into using it to our detriment by a false economy.

Money's most powerful ability is to allow bad people to continue doing bad things at the expense of those who do not have it.

shows up here on blockexplorer; http://blockexplorer.com/block/0000000000000694c34b7083179c11e79ca71ff7d1d02483f957712e037983e2


http://blockexplorer.com/address/1Cc7nc5Rgwnh5qfWc5jKymyn5d6Y1PcXjj

that looks really screwy though. it looks like it sent the 39k~ change back to itself. which just seems weird to me, not knowing what conditions would do this. It makes it appear the total received is 40k + 39k~ even though the 39k came from the same address as change. I must be reading it wrong.