Tangle Improvement Proposal (TIP) Repository

TIPs are improvement proposals for bettering the IOTA technology stack.

Building the IOTA ecosystem is a community effort, therefore we welcome anyone to propose, discuss and debate ideas that will later become formalized TIPs.

Propose new ideas

Do you have an idea how to improve the IOTA technology stack?

• Head over to the discussions page to browse already submitted ideas or share yours!
• Once your idea is discussed, you can submit a draft TIP (template here) as a PR to the repository.
• You will receive feedback from the TIP Editors and review from core devs.
• Once accepted, your TIP is merged as Draft.
• It is your responsibility to drive its implementation and to present a clear plan on how the new feature will be adopted by the network.
• Once implementation is ready and testing yields satisfactory result, the TIP becomes Proposed.
• Proposed TIPs that are supported by majority of the network become Active.

You may find more information about the TIP Process in TIP-1.

Pending TIPs

The following TIPs are currently being discussed and are awaiting further contribution:

#	Title	Description	Type	Layer	Status
18	Multi-Asset Ledger and ISC Support	Transform IOTA into a multi-asset ledger that supports running IOTA Smart Contracts	Standards	Core	Draft
19	Dust Protection Based on Byte Costs	Prevent bloating the ledger size with dust outputs	Standards	Core	Draft
20	Transaction Payload with New Output Types	UTXO-based transaction structure with TIP-18	Standards	Core	Draft
21	Serialization Primitives	Introduce primitives to describe the binary serialization of objects	Standards	Core	Draft
22	Protocol Parameters	Describes the global protocol parameters for the IOTA protocol	Standards	Core	Draft

Accepted TIPs (as of 2022-01-16)

#	Title	Description	Type	Layer	Status
1	TIP Process	Purpose and guidelines of the contribution framework	Process	-	Active
2	White Flag Ordering	Mitigate conflict spamming by ignoring conflicts	Standards	Core	Active
3	Uniform Random Tip Selection	Perform fast tip-selection to increase message throughput	Standards	Core	Active
4	Milestone Merkle Validation	Add Merkle tree hash to milestone for local ledger state verification	Standards	Core	Active
5	Binary To Ternary Encoding	Define the conversion between binary and ternary data	Standards	Core	Active
6	Tangle Message	Generalization of the Tangle transaction concept	Standards	Core	Active
7	Transaction Payload	UTXO-based transaction structure	Standards	Core	Active
8	Milestone Payload	Coordinator issued milestone structure with Ed25519 authentication	Standards	Core	Active
9	Local Snapshot File Format	File format to export/import ledger state	Standards	Interface	Active
10	Mnemonic Ternary Seed	Represent ternary seed as a mnemonic sentence	Standards	IRC	Obsolete
11	Bech32 Address Format	Extendable address format supporting various signature schemes and address types	Standards	Interface	Active
12	Message PoW	Define message proof-of-work as a means to rate-limit the network	Standards	Core	Active
13	REST API	Node REST API routes and objects in OpenAPI Specification	Standards	Interface	Active
14	Ed25519 Validation	Adopt ZIP-215 to explicitly define Ed25519 validation criteria	Standards	Core	Active
15	Dust Protection	Prevent bloating the ledger size with to dust outputs	Standards	Core	Active
16	Event API	Node event API definitions in AsyncAPI Specification	Standards	Interface	Active
17	Wotsicide	Define migration from legacy WOTS addresses to post-Chrysalis Phase 2 network	Standards	Core	Active
18	Multi-Asset Ledger and ISC Support	Transform IOTA into a multi-asset ledger that supports running IOTA Smart Contracts	Standards	Core	Draft

Need help?

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