infrastructure
Blast L2 to shut down, sets October 26 withdrawal deadline
Blast, the Blur-team Ethereum L2 that peaked at $2.3B TVL in 2024, said on Oct 2 that operating costs exceed revenue and will wind down operations.
Stories tagged: #layer-2
protocol
Optimism activates Karst on 10 Superchain mainnets, ships L2CM and kona fault proofs
Karst (Upgrade 19) activated July 8 16:00 UTC across op, ink, zora, mode, lisk, metal, unichain, soneium, ethernity, tbn. Adds L2CM, promotes kona-client, ports five Osaka EIPs. op-geth EoS.
infrastructure
Loopring shuts down its zk-rollup DEX, citing absent VM and failed adoption
Loopring took its zk-rollup DEX relayer offline on June 28, 2026, ending the first production zkRollup on Ethereum. A whitelist-only smart contract upgrade returns L2 balances to L1.