IBC

Synopsis

This repository is the canonical location for development and documentation of the inter-blockchain communication protocol (IBC).

It shall be used to consolidate design rationale, protocol semantics, and encoding descriptions for IBC, including both the core transport, authentication, & ordering layer (IBC/TAO) and the application layers describing packet encoding & processing semantics (IBC/APP).

Contributions are welcome.

Standardisation

Please see ICS 1 for a description of what a standard entails.

To propose a new standard, open an issue.

To start a new standardisation document, copy the template and open a PR.

See PROCESS.md for a description of the standardisation process.

See STANDARDS_COMMITTEE.md for the membership of the core standardisation committee.

See CONTRIBUTING.md for contribution guidelines.

See ROADMAP.md for a public up-to-date version of our roadmap.

Interchain Standards

All standards at or past the "Draft" stage are listed here in order of their ICS numbers, sorted by category.

Meta

Interchain Standard Number	Standard Title	Stage
1	ICS Specification Standard	N/A

Core

Interchain Standard Number	Standard Title	Stage
2	Client Semantics	Candidate
3	Connection Semantics	Candidate
4	Channel & Packet Semantics	Candidate
5	Port Allocation	Candidate
23	Vector Commitments	Candidate
24	Host Requirements	Candidate
25	Handler Interface	Candidate
26	Routing Module	Candidate

Client

Interchain Standard Number	Standard Title	Stage
6	Solo Machine Client	Candidate
7	Tendermint Client	Candidate
9	Loopback Client	Candidate
10	GRANDPA Client	Draft

Relayer

Interchain Standard Number	Standard Title	Stage
18	Relayer Algorithms	Candidate

App

Interchain Standard Number	Standard Title	Stage
20	Fungible Token Transfer	Candidate
27	Interchain Accounts	Draft
29	General Relayer Incentivisation Mechanism	Candidate
30	IBC Application Middleware	Candidate