https://lecoin.news/tag/l2/ Layer 2 networks. Le Coin. News on every corner: crypto, DeFi, and beyond. Every story names a primary source, a time and a hash. en-us https://lecoin.news/learning-hub/rollups/ https://lecoin.news/learning-hub/rollups/ A plain guide to what a rollup is, how it posts data to Ethereum, how withdrawals are challenged, and how Base sets its own withdrawal window. Learning Hub published Fri, 16 Oct 2026 21:02:55 -0400 https://lecoin.news/briefs/evening-brief-2026-10-15/ https://lecoin.news/briefs/evening-brief-2026-10-15/ Bitcoin was at $82,308.83 at the 4:00 p.m. ET close of the U.S. session, 0.69% above Wednesday at the same time, per CoinGecko, after September PPI printed the largest monthly rise since March 2022; Visa put Visa Direct USDC prefunding into commercial deployment with Inyo Global; and Cross River integrated Ripple's RLUSD into its core banking system. Briefs published Thu, 15 Oct 2026 16:45:46 -0400 https://lecoin.news/learning-hub/arbitrum/ https://lecoin.news/learning-hub/arbitrum/ Arbitrum is a family of Ethereum layer-2 (L2) chains and the software that runs them. Learning Hub published Mon, 12 Oct 2026 22:05:12 -0400 https://lecoin.news/learning-hub/robinhood-chain/ https://lecoin.news/learning-hub/robinhood-chain/ Robinhood Chain is an Ethereum layer-2 (L2) blockchain built by Robinhood Markets using Arbitrum technology. Learning Hub published Mon, 12 Oct 2026 22:05:12 -0400