Subject: Re: [bitcoin-dev] Significant losses by double-spending unconfirmed transactions

From: Tom Harding <[email-masked]>
Date: Wed, 15 Jul 2015 07:35:21 -0700

You perform a valuable service with your demonstration, but you
neglected to include the txid's to show that you actually did it.

Your advice is must-follow for anyone relying on an unconfirmed tx: it
must pay a good fee and be highly relayable/minable.

On 7/14/2015 8:29 PM, simongreen--- via bitcoin-dev wrote:
> tx1: To merchant, but dust/low-fee/reused-address/large-size/etc.
> anything that miners don't always accept.