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Tag: layer 2

  • Bitcoin Lightning Network: Complete Guide (2026)

    How the Lightning Network Works Payment Channels A payment channel is a 2-of-2 multisignature Bitcoin transaction. Two parties lock some Bitcoin into a shared wallet on-chain. From that point, they can exchange cryptographically signed “balance updates” between themselves instantly, with no blockchain involvement. When either party wants to close the channel, the final balance is…

  • How to Add Arbitrum to MetaMask (2026): Complete Guide

    What Is Arbitrum? Arbitrum One is an Ethereum Layer 2 rollup built by Offchain Labs. It processes transactions off-chain and posts compressed transaction data back to Ethereum mainnet, inheriting Ethereum’s security while dramatically reducing costs. Because Arbitrum is EVM-compatible, every DApp, token, and tool that works on Ethereum can work on Arbitrum with minimal changes.…