The green-address tag has no wiki summary.
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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 ...
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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 ...
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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?
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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 ...