This might have been a great deal worse if this had been avoided any kind of longer.
After finding the problem, Polygon utilized a stealth hard fork.

According to Polygon, an Ethereum sidechain specializing in Proof-of-Stake, on December 5, a substantial defect in the network was attended to by a hard fork. In a Thursday blog post, 24 days after the difficult fork, the MATIC team divulged that an anonymous hacker had actually taken $1.6 million in MATIC tokens.

Two ethical hackers affiliated with pest bounty platform Immunefi, Leon Spacewalker and Whitehat2, informed Polygon to a vulnerability in the very first week of December. It was identified that a trouble had been discovered in its MRC20 contract for gasless transactions.

Black Hat Cyberpunk
After uncovering the flaw, Polygon utilized a stealth hard fork that collaborated with all of its validators and node drivers to correct it. In spite of the susceptability being rapidly covered, an unnamed black hat cyberpunk however handled to swipe 801,601 MATIC symbols, which were then worth $1.6 million.

The group reported:

” Despite our best efforts, a harmful cyberpunk was able to make use of the make use of to steal 801,601 MATIC before the network upgrade took effect.”

This might have been a great deal even worse if this had actually been delayed any type of longer. Harmful cyberpunks could have taken around $20 billion well worth of MATIC tokens if the Polygon problem had not been disclosed, according to Immunefi, which dealt with Polygon to mount the spot.

This wasn’t the first time a serious flaw in Polygon’s software had been revealed and fixed. Since October 2021, a considerable problem in Polygon’s Plasma Bridge was attended to with $850 million of locked properties.