How to implement a green address in Bitcoind?

Question

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

Answer 1

Green addresses are by convention, not by protocol. You would need to publish an address and then sign a message with the corresponding private key that says, "I promise never to double-spend any coins from this address." Then you'd need to convince others to believe your promise.