# Polygon upgrade quietly fixes bug that put $24B of MATIC at risk
“# Polygon upgrade quietly fixes bug that put $24B of MATIC at risk ” 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 Dec. 29 blog post from Polygon, the “critical” vulnerability in the network’s Proof-of-Stake (PoS)…