28.83% OF SOLANA STAKE WENT DELINQUENT, NEARING FINALITY HALT

Summary from the TLDR Crypto newsletter

On August 12, Solana came within 4.5 percentage points of a finality halt after 28.83% of staked SOL went delinquent, with Marinade Finance reporting 90 validators affected and 333 SOL in forfeited rewards. The root cause was a malformed BGP default route at Teraswitch's Miami site that propagated through a route reflector to European and APAC nodes, taking 94% of AS20326 offline, an ASN that alone carried 118.89 million SOL, over 25% of total stake. Engineers identified and resolved the corrupted route in under 10 minutes, restoring service at 4:16 UTC. The incident makes concrete a systemic concentration risk on Solana: a single-provider routing fault can push the network to within striking distance of the 33.34% delinquency threshold that triggers a full finality halt.