> ## Documentation Index
> Fetch the complete documentation index at: https://docs.theblockchainlibrary.com/llms.txt
> Use this file to discover all available pages before exploring further.

# ERC-3643: Ethereum Compliance Token Standard

> ERC-3643 is a technical standard developed to address the specific requirements of regulated assets on the Ethereum blockchain. Unlike standard ERC-20 tokens, E

# ERC-3643: Ethereum Compliance Token Standard

ERC-3643 is a technical standard developed to address the specific requirements of regulated assets on the Ethereum blockchain. Unlike standard ERC-20 tokens, E

## Abstract

ERC-3643 is a technical standard developed to address the specific requirements of regulated assets on the Ethereum blockchain. Unlike standard ERC-20 tokens, ERC-3643 introduces a suite of smart contracts designed to enforce compliance at the protocol level. The core innovation is the 'Identity Registry' system, which restricts token transfers to addresses that have been pre-approved through a verified identity process (KYC/AML). The standard is designed to allow for the compliant tokenization of securities, real estate, and other regulated instruments. This document details the architectural components of the standard, including the Claim Issuer mechanism and the compliance engine that verifies identity parameters before every transaction execution. By codifying compliance within the token's logic, ERC-3643 provides a robust framework for institutional entities to operate in permissionless environments while maintaining strict adherence to financial regulations and securities laws.

**Authors:** Joachim Lebrun, Tony Malghem, Kevin Thizy, Luc Falempin, Adam Boudjemaa

**Publication:** Standard Specification

**Publication date:** 2021-01-01

## Key findings

* ERC-3643 enables protocol-level enforcement of compliance requirements.
* The standard allows for dynamic updating of identity verification status.
* It successfully balances the permissionless nature of Ethereum with the permissioned nature of security law.
* The modular design supports complex governance requirements for asset issuers.

## Citation

Joachim Lebrun, Tony Malghem, Kevin Thizy, Luc Falempin, Adam Boudjemaa (2021). ERC-3643: Ethereum Compliance Token Standard. Standard Specification. [https://erc3643.org/](https://erc3643.org/)

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***

**Canonical knowledge ID:** `research:erc-3643-ethereum-compliance-token-standard`