#sayfer

Sayfer Identifies New Frontrunning Vulnerability in the Connext Bridge

Israeli cybersecurity firm Sayfer has identified a new vulnerability in the Connext bridge that exposes relayer remuneration funds to frontrunning. It is believed that more than $70,000 worth of fees have been frontrunned to date. The connext bridge requires a class of actors called ‘relayers’. Relayers are responsible for submitting users’ transactions on the receiving chain without requiring…