Many ledgers suites have a ledger and separate index canister. Applications, such as the NNS Dapp and Dexes keep track of both a token’s ledger and index canister id (if an index canister exists for the token). The index canister id is already part of the init args of most ICRC ledgers - why don’t …

There’s actually a stopgap standard for that (until index canisters have been standardized), but it seems it hasn’t been picked up yet in the ledger implementation. ICRCs/ICRC-106/ICRC-106.md main | Status | |:------:| |Draft| # ICRC-106: Standard for Associating Index Caniste…

@bogwar do you have a sense of if this standard will be prioritized?

Good question, and great timing @icme ! We have a PR that we hope to merge in the coming few days, and once the rollout of the current ICRC ledger suite release is done, we’d create a new release including support for ICRC-106. The ledger controller would need to set the index principal (in the canis…

follow up, this is now supported in the Ledger Suite :slight_smile: [image] ICRC-106 Support in the Ledger Suite Tokenization The ledger canister processes and stores blocks containing transactions while maintaining individual account balances. An associated i…

Adding a `index_canister_id` endpoint to the ICRC ledger standard

Developers

marc0olo August 8, 2025, 1:05pm 5

follow up, this is now supported in the Ledger Suite

Topic		Replies	Views
ICRC-106 Support in the Ledger Suite Tokenization	0	101	July 27, 2025
[Help] Index canister for mutliple ledger Programs & Applications	9	101	October 5, 2024
Issue with Index Canister, not showing any transaction history for it's respective ledger Rust	8	183	October 5, 2024
Are two canisters for a icrc ledger suite (ledger and index) still necessary? Developers icrc	9	301	March 28, 2026
ICRC-1/ICRC-3 Generic way to get a transaction list for an account Developers	3	551	March 7, 2023

Adding a `index_canister_id` endpoint to the ICRC ledger standard

Related topics