Learning From The LND Bug That Could Have Robbed The Lighting Network

By akohad Oct25,2022 #LND #Marty


This is an opinion editorial by Shinobi, a self-taught educator in the Bitcoin space and tech-oriented Bitcoin podcast host.

On October 9, 2022, Burak from Bitmatrix (a swap tool built on the Liquid Network) created and broadcast a transaction to the main Bitcoin network, spending a UTXO with a Tapscript multisig with a 998-of-999 threshold. This transaction had 998 individual signatures in the witness field, and was almost 0.1 MB in size, and kind of hilariously, reused the exact same public key for every one of the 999 participants in the multisig. This transaction caused a massive disruption for the Lightning Network by exposing a bug in LND and btcd (an alternative client for the Bitcoin network).


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By akohad

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