Bots scan the Bitcoin blockchain for opportunities to steal coins. They do this via poorly chosen private keys, or even worse via poor cryptographic signature hygiene. This hackathon project aimed to lure a nonce reuse bot out of hiding by using a duplicate nonce in an ECDSA sig. This is not as easy a task as it might sound, since wallet libraries account for this possibility, so the actual demo was launched on the eth blockchain instead.
This presentation was given by @bertcmiller at the inaugural Ho Ho Houston Hacks the Chain hackathon organized by @niftynei and the Houston Blockheads, hosted at Umbrage Studios, and sponsored by Trammell Venture Partners on December 18-19th, 2021
You can find Robert on twitter at https://twitter.com/bertcmiller.