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Would you so us all a favor and make a list of companies *actually* relying on
first-seen mempool behaviour. Because I've been having a hard time actually
finding anyone who does who hasn't given up on it. Not very useful to talk
about attacks against hypothetical defences.
On 28 March 2015 09:58:53 GMT-04:00, Mike Hearn m...@plan99.net wrote:
I've written a couple of blog posts on replace by fee and double
spending
mitigations. They sum up the last few years (!) worth of discussions on
this list and elsewhere, from my own perspective.
I make no claim to be comprehensive or unbiased but I keep being asked
about these topics so figured I'd just write up my thoughts once so I
can
send links instead of answers :) And then so can anyone who happens to
agree.
(1) Replace by fee scorched earth, a counter argument:
https://medium.com/@octskyward/replace-by-fee-43edd9a1dd6d
This article lays out the case against RBF-SE and argues it is harmful
to
Bitcoin.
(2) Double spending and how to make it harder:
https://medium.com/@octskyward/double-spending-in-bitcoin-be0f1d1e8008
This article summarises a couple of double spending incidents against
merchants and then discusses the following techniques:
1. Risk analysis of transactions
2. Payment channels
3. Countersigning by a trusted third party
4. Remote attestation
5. ID verification
6. Waiting for confirmations
7. Punishment of double spending blocks
I hope the material is useful / interesting.
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