[Bitcoin-development] Build your own nHashType

Jeff Garzik jgarzik at bitpay.com
Thu Apr 9 14:22:52 UTC 2015

On Thu, Apr 9, 2015 at 7:10 AM, Stephen Morse <stephencalebmorse at gmail.com>

> Is hashing transaction data once for each input really a huge bottleneck,
> though? Do mobile devices have an issue with this?

Think about what slow transaction verification speed means.  Slower
propagation across the network.  More work per node.  Greater opportunity
for algorithmic attacks, races and other shenanigans by attackers.

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