2026 is the year of the “great cleanup” for Layer 2. 📉 Take a look at this partial list of shutdowns and exits for 2026: 🔻 Ethereum L2 / Rollups: Polygon zkEVM: Official sunset; sequencer shut down in July Loopring: Shut down in June; TVL dropped ~99% from peak Zero Network: Blocks halted in July; Zerion team abandoned chain development and returned to wallet focus Sophon: Daily operating costs仅为 dozens of dollars; stopped deposits and shifted focus to consumer apps on Base Swellchain: Sunset in June; resources redirected to Faro Kinto: Shut down completely by end of September after a hack drained funds Silicon Network: Stopped deposits in September; plans to fully shut down by year-end Mint Blockchain: Operations halted in April; withdrawal window closes October 20 🔻 Non-Ethereum / Heterogeneous Chains: Moonbeam: Polkadot parachain permanently shut down in July; GLMR migrated to Base as an ERC-20 Botanix (Spiderchain): Bitcoin L2 shut down in late summer due to low adoption and high costs BounceBit: Abandoned independent chain after a vulnerability; BB migrated to BNB Chain (BEP-20) Smaller chains such as Milkyway, Powerloom, and Hyli have all ceased operations陆续 this year