[Bitcoin-development] BIP for Proof of Payment

Pieter Wuille pieter.wuille at gmail.com
Sat Jun 6 15:23:48 UTC 2015

On Sat, Jun 6, 2015 at 5:18 PM, Luke Dashjr <luke at dashjr.org> wrote:

> I also agree with Pieter, that this should *not* be so cleanly compatible
> with Bitcoin transactions. If you wish to share code, perhaps using an
> invalid opcode rather than OP_RETURN would be appropriate.

Using an invalid opcode would merely send funds into the void. It wouldn't
invalidate the transaction.

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