Bitcoin (BTC)

Coin Dance

Bitcoin Cash Protocol Development

9 Under Discussion

8 Under Development

0 Pending Activation

8 Completed

Under Development

Bitcoin Cash Proposals Currently Under Development or Under Preliminary Discussion

Under Discussion
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Representative Tokens (OP_GROUP)

 Bitcoin Unlimited

Enable representative tokens via OP_GROUP (possibly superseded by Representative Tokens via GROUP).

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Under Discussion
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Double Spend Notifications

 

New Bitcoin Cash network message for notifying nodes when an attempted double spend of an unconfirmed transaction has occurred.

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Under Discussion
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Bobtail

 

A Proof-of-Work Target that Minimizes Blockchain Mining Variance

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Under Discussion
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One Way Aggregate Signatures

 Electron Cash

A non-interactive fungibility solution for transactional privacy.

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Under Discussion
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Switch standard denomination to 'bits'

 

Switch the standard denomination of Bitcoin Cash to 'bits' (1 millionth of a Bitcoin) and switch the ticker from 'BCH' to 'BIT'.

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Under Discussion
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Representative Tokens (GROUP)

 Bitcoin Unlimited

Enable representative tokens via GROUP

More Info
Under Discussion
create

Chain ID

 Bitcoin ABC | nChain | Electron Cash

A simple, yet powerful way to provide more human friendly front ends. The main use is to identify the user by name -or nickname- and mobile phone so wallets have data from users and users can pay to human understandable names instead of cryptographic hashes.

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Under Discussion
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Avalanche

 Team Rocket

A novel metastable consensus protocol family for cryptocurrencies.

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Under Discussion
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Recursive Smelting

 

A Token Layer Protocol on Bitcoin Cash

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Under Development
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Binary Contracts

 Bitcoin Unlimited

Enable Binary Contracts via OP_DATASIGVERIFY

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Under Development
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Revised DAA (w/ PID control)

 Bitcoin ABC | Bitcoin XT

Revise Difficulty Adjustment Algorithm to further improve block times using a new PID control algorithm

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Under Development
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UTXO commitments

 Bitcoin ABC | bitCrust

The construction of a 32-byte hash that is uniquely defined for a UTXO set, that is, the set of all unspent transaction outputs that exist at a certain block in the blockchain

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Under Development
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BUIP087 nomenclature for 1/1,000,000 BCH

 Bitcoin Unlimited

Add "cash" in addition to "bit" as a term for 100 (one hundred) satoshi or 1/1,000,000 (one one-millionth) of a bitcoin cash BCH (i.e. 0.000001 BCH). Further, we propose the unofficial ISO code "XCH" to represent a cash unit (millionth of a BCH unit). -- UPDATE: For French translations only.

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Under Development
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Canonical Transaction Ordering

 Bitcoin ABC

A proposal to implement a new algorithm as the canonical ordering for transactions in a block. Canonical ordering will not be a consensus rule; it is just used to eliminate the need to communicate the order of transactions when IBLTs are used.

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Under Development
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Enforce minimum transaction size

 Bitcoin ABC

Enforcement of minimum transaction size of 100 bytes to prevent attacks on the Merkle tree.

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Under Development
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Make push-only mandatory for scriptSig

 Bitcoin ABC

Transactions shall be considered invalid if an opcode with number greater than 96 (hex encoding 0x60) appears in a scriptSig.

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Under Development
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Modified fee structure

 Bitcoin ABC

Modified fee structure to allow for an order of magnitude decrease in fees for typical transactions (not strictly a consensus change, but an important change being included with the release).

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Completed

Bitcoin Cash Proposals Either Completed or Currently Awaiting Activation on Mainnet

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Completed

Base32 addresses

 Bitcoin ABC | Bitcoin XT | Copay (Bitpay)

Support Base32 address format

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Completed

Revised DAA

 Bitcoin ABC | Bitcoin XT

Revise Difficulty Adjustment Algorithm

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Completed

Graphene

 Bitcoin Unlimited

An efficient method of announcing new blocks

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Completed

Re-enable Satoshi Opcodes

 Bitcoin ABC | nChain

Re-enable the previously disabled opcodes which were part of the original Bitcoin design. This should enable smart contract compilers, and a variety of functionality on Bitcoin Cash.

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Completed

Default to 32MB blocks

 Bitcoin ABC

Start accepting blocks up to 32MB by default.

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Completed

Increase default datacarriersize to 220 bytes

 Bitcoin ABC

To disincentivize the use of other methods to embed data into the chain, in particular via P2SH, the default datacarriersize is raised from 80 byte to 220 bytes, so it becomes the "cheapest" way of embedding data into the chain.

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Completed

Double spend proof creation and forwarding

 Bitcoin Unlimited

Update to inform other nodes of double spend attempts immediately to improve the reliability of 0-conf transactions.

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Completed

Generalized vesion bits voting (BIP 135)

 Bitcoin Unlimited

BIP 135 extends the semantics of the signaling bits to cover arbitrary consensus changes, referred to under the general term 'forks'. The same range of version bits is used for signaling.

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