Polygon Discloses Patched Exploit That Put 9B MATIC at Risk

Polygon Discloses Patched Exploit That Put 9B MATIC at Risk
A hacker who helped Polygon avert a multibillion-dollar disaster in early December won a $2.2 million bug bounty, the blockchain network said Wednesday.The so-called “white hat,” known as “Leon Spacewalker” on Twitter and GitHub, reported an exploit in a critical Polygon smart contract that held more than 9 billion MATIC tokens on Dec. 3, then worth around $20.2 billion. Core developers rushed a fix by Dec. 5.It wasn’t fast enough to protect all the contract’s funds, according to Immunefi, the crypto security startup that managed Polygon’s bug bounty program. Separate hackers pilfered 801,601 MATIC tokens (then worth around $1.4 million)…