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âConsidering how much was at stake, I believe our team has made the best decisions possible given the circumstances,â said Polygon co-founder Jaynti Kanani.
Ethereum-based layer-two scaling network Polygon has quietly fixed a vulnerability that put almost $24 billion worth of its native token, MATIC, at risk.
According to a Wednesday blog post from Polygon, the âcriticalâ vulnerability in the networkâs proof-of-stake Genesis contract was first highlighted by two whitehat hackers on Dec. 3 and Dec. 4 via blockchain security and bug bounty hosting platform Immunefi.
All you need to know about the recent Polygon network update.
â A security partner discovered a vulnerability
â Fix was immediately introduced
â Validators upgraded the network
â No material harm to the protocol/end-users
â White hats were paid a bounty https://t.co/oyDkvohg33â Polygon | $MATIC (@0xPolygon) December 29, 2021
The vulnerability put more than 9.27 billion MATIC at risk that is valued at around $23.6 billion at the time of writing, with the figure representing the vast majority of the tokenâs total supply of 10 billion.
Polygon noted that the bug was resolved at block 22,156,660 via an âEmergency Bor Upgradeâ to the mainnet on Dec. 5 at around 7:27 am UTC. The network noted that a âmalicious hackerâ managed to steal 801,601 MATIC ($2.04 million) before the bug was resolved. The blog post said:
âThe Polygon core team engaged with the group and Immunefiâs expert team and immediately introduced a fix. The validator and full node communities were notified, and they rallied behind the core devs to upgrade 80% of the network within 24 hours without stoppage.â
Polygon stated that the issue was fixed behind closed doors as it follows the âsilent patchesâ policy introduced by the Go Ethereum team in November 2020. Under the guidelines, projects or developers report on key bug fixes four to eight weeks after they go live to avoid the risk of being exploited at the time of patching.
According to Immunefi, whitehat hacker âLeon Spacewalkerâ was the first to report on the security hole on Dec. 3 and will be rewarded with $2.2 million worth of stablecoins for their efforts, while the second unnamed hacker, referred to as âWhitehat2â will receive 500,000 MATIC ($1.27 million) from Polygon.
Related: Here's how Polygon is challenging the limitations of Ethereum, as told by co-founder Sandeep Nailwal
Polygon co-founder Jaynti Kanani emphasized the networkâs ability to promptly resolve the critical bug, noting in the blog post that:
âWhatâs important is that this was a test of our networkâs resilience as well as our ability to act decisively under pressure. Considering how much was at stake, I believe our team has made the best decisions possible given the circumstances.â
According to data from CoinGecko, MATIC is priced at $2.45 and is up 35.1% over the past 30 days despite the current downturn across major crypto assets this month.
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