Lead Bitcoin developer withdraws from Lightning Network facing 'difficult dilemma'

Anthony Riard believes THE Bitcoin community faces A "hard dilemma" as A new class of replacement bike attacks threat THE Lightning Network.

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Security searcher And developer Anthony Riard East take a step down Since THE Lightning The network development, quoting security problems And fundamental challenges has THE Bitcoin ecosystem.

According to has A thread on THE Linux Foundations public mailing list, Riard believes THE Bitcoin community faces A "hard dilemma" as A new class of replacement bike attacks puts Lightning In A "perilous post."

How do A lightning replacement bike attack work?

There is A plot of discussion about This newly discovered vulnerability on THE mailing lists, but THE real mechanism East A little hard has follow.

SO here is A illustrated primer...

1/n pic.twitter.com/mvvS8bEc5f

— mononaut (@mononautique) October 21, 2023

THE Lightning Network East THE second layer solution built on THE Bitcoin blockchain. He East designed has improve THE scalability And efficiency of Bitcoin transactions by allow off-chain, equals transactions.

Through THE Lightning Network, users can open payment chains, to drive several transactions off-chain, And adjust THE final result on THE Bitcoin blockchain. THE replacement bike attack targets these payment canals. He East A new type of attack that allow THE attacker has fly funds Since A channel participant by operator inconsistencies between individual memory pools. According to has Riard:

"I think This new class of replacement bike attacks puts lightning In A very perilous position, Or only A sustainable fix can arrive has THE base layer, For example add A memory hungry historical...