A Bitcoin Improvement Proposal (BIP) is a design document that provides information to the Bitcoin community or proposes a new feature for Bitcoin

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A Bitcoin Improvement Proposal (BIP) is a design document for introducing features and improvements to the Bitcoin protocol. They can cover a wide range of topics, including technical improvements, protocol changes, network upgrades and best practices.
What is a BIP? A Bitcoin Improvement Proposal (BIP) is a design document providing information to the Bitcoin community, or describing a new feature for Bitcoin or its processes or environment.