A proposal to enable two new primitives on Bitcoin Cash: fungible tokens and non-fungible tokens.

A community-maintained website about the CashTokens technology, including technical specifications, documentation, guides, and other resources.

(Withdrawn) A version 3 transaction format proposal for Bitcoin Cash. Maintainer recommends CashTokens:

Re-targets virtual machine (VM) limits to enable more advanced Bitcoin Cash contracts, reduce transaction sizes, and reduce full node compute requirements.

Instant, incentive-secure payments on Bitcoin Cash. Note: spec not yet updated to treeless construction:

CHIP: Bitcoin Cash Metadata Registries

A proposal to enable loops in BCH contracts without increasing processing or memory requirements.

Augments VM Limits CHIP by removing one additional Bitcoin Cash VM limit: the number length limit (A.K.A. nMaxNumSize).

Enables Bitcoin Cash contract bytecode to be factored into reusable functions

A standard for sharing Bitcoin Cash and CashToken payment information via Uniform Resource Identifiers (URIs) and a web-based payment protocol.

Pay to Script (P2S) improves wallet ecosystem safety, simplifies contract design, and reduces transaction sizes for vault, multi-party, and DeFi applications.

(Withdrawn) A proposal to add composite arithmetic opcodes to BCH

CHIP-2026-02-ShieldedBCH: Mandatory Shielded Pool via Zero-Knowledge Proofs for Bitcoin Cash

Mirror of the CHIPs activated by the 2022 Bitcoin Cash upgrade