BIPs organizes the Bitcoin technical fundamentals in the absence of a centralized ledger. BIPs are proposed improvements to Bitcoin's consensus layer( main chain), community standards, and the development process. Since 2011, any improvement to Bitcoin has been passed through a system called Bitcoin Improvement Proposals or “BIPs.” Bitcoin improvement proposals or BIPs suggest guidelines for how Bitcoin can and should evolve technically as an innovation. It’s the route for developers contribution towards improving and building in Bitcoin main Chain.

Lightning Network is the layer two instant reflection payment/transaction settlement framework built & dependent on Bitcoin’s layer one Blockchain.