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3
votes
3answers
93 views

What if you wanted to decrease anonymity?

My idea is to be able to build "credit" for an individual. Lenders of BTC could just use a service to check the "credit score" of a certain address of a borrower. The borrower would have to spend a ...
2
votes
1answer
136 views

Double spending from “green addresses” & mitigation

Suppose a user pays for a service (service1) using a "green address" (0 confirmations required) and service1 needs to immediately respend it using it's own green address How many blocks should the ...
3
votes
2answers
525 views

Does the public key associated with an address become part of the public record after it has been used to spend?

Since bitcoin addresses are hashes of public keys and not public keys as such, if one wanted to craft a message that could be decrypted by the generator of an address, that can't be done just with an ...
4
votes
1answer
154 views

How to implement a green address in Bitcoind?

There are a few websites that use green addresses, but how can one go about implementing it using the standard Bitcoin API?
6
votes
3answers
767 views

What's the best way for a website to detect payments from green addresses?

Does any proven third party code exist for this? Edit* To be more specific, what I haven't been able to find out is how to get the sender's bitcoin address when receiving a transaction. As far as ...