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From: Luke Dashjr <luke@dashjr.org>
To: bitcoin-dev@lists.linuxfoundation.org,
 Alex Morcos <morcos@gmail.com>
Date: Wed, 17 Feb 2016 00:46:16 +0000
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Subject: Re: [bitcoin-dev] [BIP Proposal] New "feefilter" p2p message
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On Tuesday, February 16, 2016 8:20:26 PM Alex Morcos via bitcoin-dev wrote:
> # The feefilter message is defined as a message containing an int64_t where
> pchCommand == "feefilter"

What happened to extensibility? And why waste 64 bits for what is almost 
certainly a small number?

> # The fee filter is additive with a bloom filter for transactions so if an
> SPV client were to load a bloom filter and send a feefilter message,
> transactions would only be relayed if they passed both filters.

This seems to make feefilter entirely useless for wallets?

Luke