[Bitcoin-development] ECDH in the payment protocol

Jeff Garzik jgarzik at bitpay.com
Tue May 13 09:19:07 UTC 2014


On Fri, May 9, 2014 at 11:03 AM, Peter Todd <pete at petertodd.org> wrote:
> Of course we quickly rejected the idea of depending solely on a
> communications backchannel to retrieve funds. Any communications medium
> that isn't the blockchain makes the payment non-atomic, and thus creates
> opportunities for it to fail.

This is extremely simple-minded logic that encourages ephemeral, junk
data in the blockchain.  Not a scalable approach.

The implication is to put the communications medium in the blockchain
itself, which is wrong.

-- 
Jeff Garzik
Bitcoin core developer and open source evangelist
BitPay, Inc.      https://bitpay.com/




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