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From: Karl Johan Alm <karljohan-alm@garage.co.jp>
To: Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
Subject: [bitcoin-dev] BIP Proposal: Rate Limiting with server specified Proof of Work challenges
Date: Mon, 8 May 2017 11:48:54 +0900	[thread overview]
Message-ID: <CALJw2w7CBFU-xFnar6p4k+84Umh5rsuaQ6UA1-8E2_N3_AOSpQ@mail.gmail.com> (raw)

Hello,

I am proposing a new feature for rate limiting purposes where nodes
can make and solve arbitrary PoW challenges in return for connection
slots (to be expanded to cover e.g. bloom filters or other DoS risky
services).

The BIP currently includes two proofs of work (sha256 and
cuckoo-cycle) which can be combined (e.g. sha256(cuckoo-cycle) or
sha256(sha256(sha256)), etc).

Link: https://github.com/kallewoof/bips/blob/pow-connection-slots/bip-rate-limiting-via-pow.mediawiki

Feedback welcome.


             reply	other threads:[~2017-05-08  2:59 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-08  2:48 Karl Johan Alm [this message]
2017-05-08 18:58 ` [bitcoin-dev] BIP Proposal: Rate Limiting with server specified Proof of Work challenges Erik Aronesty
2017-05-09  1:15   ` Karl Johan Alm
2017-05-19  4:09 ` Karl Johan Alm

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