Author

Topic: Is it safe to refund to (one of) output address(es)? (Read 808 times)

b!z
legendary
Activity: 1582
Merit: 1010
If the address is one time use they might not be able to access the coins.
legendary
Activity: 1358
Merit: 1003
Designer - Developer
It is _never_ fine to assume this. You should get a refund address from the user.

I fully agree with this
staff
Activity: 4284
Merit: 8808
It is _never_ fine to assume this. You should get a refund address from the user.
legendary
Activity: 905
Merit: 1012
No. Don't do it. Give them an authenticated mechanism to request a new payback address.
hero member
Activity: 994
Merit: 507
Depends on what they used to send it. If it was BitcoinQT its fine or even blockchain.info. But if they sent with inputs.io they won't get the refund. Since you don't know its probably better not to risk it.
Stn
full member
Activity: 227
Merit: 100
Imagine you got bitcoin transfer which you want to refund. For certain reasons you can't contact payer. Is it OK to pick originating bitcoin address (or one of them) and send bitcoins there? Won't these bitcoins end up somewhere in limbo?
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