wallstreetfail.org
wallstreetbtc.org
btcreplaceswallstreet.org
replacewallstreet.com
replacewallstreet.org
operationbitcoin.com
operationbitcoin.org
...
I like the form 'operationbitcoin'. I don't think it should target 'wallstreet' by name since this is to nation specific.
I would suggest one level of abstraction to represent the 'campaign' so that the domain/system can be re-used. In this case it would be something lile 'ocw'.
I prefer a hash (vs. a small set of numbers) since one of the points here is to make the system less susceptible to ass-wipes trying to game the thing by writing a program which scores free bitcoin. The hash should be small enough to type easily, but big enough to be non-predictable. In fact, two random words would probably suffice and be easier to type and remember.
So:
http: //www.operationbitcoin.org/ocw/dklw8jer
or
http: //www.operationbitcoin.org/ocw/bird_rock
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As for donations, I am happy to do so without an escrow, but I would like some level of accounting and progress reports. Ideally there would be a small group of fairly well known and respected persons coordinating in this effort, and donation can be made to any one of them.