Bitcoin free-relay bandwidth attack disclosed
A bandwidth-wasting free-relay attack affecting Bitcoin Core and related nodes is publicly disclosed.
On March 27, 2024, Bitcoin free-relay bandwidth attack disclosed. A bandwidth-wasting free-relay attack affecting Bitcoin Core and related nodes is publicly disclosed.
The attack exploited Bitcoin's transaction-relay behavior to consume peers' bandwidth without paying miners a fee. The discussion mattered because relay policy is part of the network's anti-DoS surface even when consensus rules themselves are not changed.
The event preserves a concrete part of Bitcoin's security history and the operational assumptions users, wallet developers, exchanges or node operators had to manage at the time.