Hi Peter,

> ==References==
>
> 1) "First-Seen-Safe Replace-by-Fee",
> Peter Todd, Bitcoin-development mailing list, May 25th 2015,
>
http://www.mail-archive.com/bitcoin-development%40lists.sourceforge.net/msg07829.html
>
> 2) "Cost savings by using replace-by-fee, 30-90%",
> Peter Todd, Bitcoin-development mailing list, May 25th 2015,
>
http://www.mail-archive.com/bitcoin-development%40lists.sourceforge.net/msg07813.html
>
> 3) "F2Pool has enabled full replace-by-fee",
> Peter Todd, Bitcoin-development mailing list, June 19th 2015,
>
http://www.mail-archive.com/bitcoin-development@lists.sourceforge.net/msg08422.html
>
> 4) "F2Pool has enabled full replace-by-fee",
> Adrian Macneil, Director of Engineering, Coinbase,
> Bitcoin-development mailing list, June 19th 2015,
>
http://www.mail-archive.com/bitcoin-development@lists.sourceforge.net/msg08443.html

just a minor nit pick, you should update "References" links using the new
mailing list archive.