The UPCX decentralized payment service suffered one of the more significant hacks of 2025. A malicious actor gained access to a smart contract, causing the startup to lose $70M in UPC tokens. UPCX, a ...

Gitcoin’s project lead said the snafu has resulted in nearly half a million dollars of funds being locked in a one-way contract address. Crypto developer platform Gitcoin has admitted to losing ...

Smart contracts are self-executing code that runs on the blockchain networks of Ethereum, Binance Smart Chain, and Polygon, among others. The code automates complex transactions such as token ...