CHIPs

Cash Improvement Proposals (CHIPs) are documents that record proposals to upgrade the Bitcoin Cash protocol, and their ongoing progress, both technical and consensus-building.

Title	Last updated	Consensus	Activated	Tags
CHIP-2024-07-BigInt: High-Precision Arithmetic for Bitcoin Cash	2024/08/28	Yes	No	Script
CHIP-2021-05-vm-limits: Targeted Virtual Machine Limits	2024/08/28	Yes	No	Script
Excessive Block-size Adjustment Algorithm (EBAA) for Bitcoin Cash	2023/09/02	Yes	Yes	Blocksize limit policy
CHIP-2023-07-Composite-Arithmetic-Opcodes	2023/07/28	Yes	No	Script
CHIP-2022-05 Pay-to-Script-Hash-32 (P2SH32) for Bitcoin Cash	2022/07/17	Yes	Yes	Transactions,Addresses
CHIP-2022-02-CashTokens: Token Primitives for Bitcoin Cash	2022/08/01	Yes	Yes	Script,Tokens,Transactions,Addresses
CHIP-2021-02-Unforgeable-Groups-for-Bitcoin-Cash	2022/06/06	Yes	No	Tokens,Script,Transactions
CHIP 2021-07 UTXO Fastsync	2021/07/07	No	No
CHIP-2021-03-Bigger-Script-Integers	2021/06/09	Yes	Yes	Script
CHIP-2021-02-Add-Native-Introspection-Opcodes	2021/06/03	Yes	Yes	Script
CHIP-2021-05 Minimum Fee Rate Voting Via Versionbits	2021/05/31	No	No	Mempool-policy,Fee policy
CHIP-2021-05-loops: Bounded Looping Operations	2021/05/29	Yes	No	Script
CHIP-2021-01-PMv3	2021/04/30	Yes	No	Script,Transactions
CHIP-2021-03-12 Multiple OP_RETURNs for Bitcoin Cash	2021/03/26	No	Yes	Transactions
CHIP-2021-01 Restrict-Transaction-Version	2021/03/16	Yes	Yes	Transactions
CHIP-2021-01 Allow Transactions to be smaller in size	2021/03/16	Yes	Yes	Transactions
Unconfirmed Transaction Chain Limit	2021/03/08	No	Yes	Mempool-policy