It didn’t take too long to see more layer one blockchain attacks. Firo 51% attack is particularly interesting due to a new precedent where asset issuers were held responsible for compensating a double spent exchange. Tendermint fixed a yet unreported critical vulnerability and Nano was slammed with a spam attack. On the DeFi side, LivePeer fixed a staking vulnerability. This week’s edition features plenty of excellent research papers and article for your reading pleasure.
Events
January 28-31, 2021 - Anti-Human Trafficking Cryptocurrency Consortium (ATCC) Virtual Summit featuring multiple panels. Free admission.
February 2, 2021 - Unchained - Blockchain Security Conference CFP deadline.
Hacks
On January 19, 2021 Firo (formely Zcoin) suffered from a 51% attack where for 25 hours 306 blocks were reorged. Firo team published a post-mortem report which revealed Binance as the target with 866K FIRO ($4M worth) double spent. The Firo team took advantage of Lelantus emergency switch to freeze att…
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