AIAI NewsBlockchainBlockchain newsblogMarkets What Is a Layer-1 Blockchain? The Base Layer Powering Bitcoin and Crypto November 23, 2025 By The Coin Weekly This post was originally published on this siteLayer-1 blockchains are the base networks that secure and record every crypto transaction, powering Bitcoin, Ethereum, and beyond. Share FacebookTwitterPinterestWhatsApp Latest stories Markets Bitcoin ETFs Add $471M in Biggest One-Day Haul Since February The Coin Weekly - April 7, 2026 AI Onchain evidence was key to convicting 3 terrorism financiers: TRM Labs The Coin Weekly - April 7, 2026 AI Chaos Labs taps out as Aave’s risk provider, decision ‘not made in haste’ The Coin Weekly - April 7, 2026 Markets Jamie Dimon Says AI Will Impact ‘Virtually Every Function’ at JPMorgan Chase The Coin Weekly - April 6, 2026 Markets Polymarket to Launch Stablecoin, Order Book Overhaul in Prediction Market Upgrade The Coin Weekly - April 6, 2026 - Advertisement - You might also like... Markets Bitcoin ETFs Add $471M in Biggest One-Day Haul Since February The Coin Weekly - April 7, 2026 AI Onchain evidence was key to convicting 3 terrorism financiers: TRM Labs The Coin Weekly - April 7, 2026 AI Chaos Labs taps out as Aave’s risk provider, decision ‘not made in haste’ The Coin Weekly - April 7, 2026