DFINITY Foundation

ICDevs.org

CryptoIsGood

Anvil

ICPL.app

ysyms

The Accumulators’ Neuron

RawTech Venture

Paul Young

ICPMANUAL

8YearGangDAO

Isaac Valadez

Krzysztof

Nicolas.ic

Smaug’s Neuron for Retail Investors

ICLight.io

Taggr Network

Sonic AMM

Rakeoff.io

OpenChat

ELNA AI

GEEKFACTORY

ICP Hub México

ICP Hub Poland

Jerry Banfield

WaterNeuron

ICP Hub Bulgaria

Gold DAO

NeuronPool

LORIMER ♾️ 🐶

B3Pay

ZenithCode

Aviate Labs

D-QUORUM

Yuku AI

CO.DELTA △

DragginCorp

Gwojda

Thyassa

🌮 TACO DAO Neuron

Ωmega-reject

Ωmega-vote

αlpha-vote

Cybersecurity

cyberowl

Dexter Caff/acc

CodeGov.org (see neuron merger plan with the Wenzel known neuron)

Wenzel

Synapse (see neuron merger plan with the Wenzel known neuron)

Install, reinstall or upgrade code of a canister controlled by the NNS.

# Proposal to upgrade the ckBTC archive canister

Repository: `https://github.com/dfinity/ic.git`

Git hash: `cf41372e3d4dc1accfe2c09a7969f8bddc729dc1`

New compressed Wasm hash: `f7f48f402a128cbd18dc7734c7f149f2814c8181766f39897a66d514d47ccf11`

Upgrade args hash: `0fee102bd16b053022b69f2c65fd5e2f41d150ce9c214ac8731cfaf496ebda4e`

Target canister: `nbsys-saaaa-aaaar-qaaga-cai`

Previous ckBTC archive proposal: https://dashboard.internetcomputer.org/proposal/140521

---

## Motivation
Upgrade the ckBTC archive canister to the latest version [ledger-suite-icrc-2026-03-09](https://github.com/dfinity/ic/releases/tag/ledger-suite-icrc-2026-03-09).


## Release Notes

```
git log --format='%C(auto) %h %s' 653c927f2c732398bfd6e6b9dbfaf983cfb9b911..cf41372e3d4dc1accfe2c09a7969f8bddc729dc1 -- rs/ledger_suite/icrc1/archive

 ```

## Upgrade args

```
git fetch
git checkout cf41372e3d4dc1accfe2c09a7969f8bddc729dc1
didc encode '()' | xxd -r -p | sha256sum
```

## Wasm Verification

Verify that the hash of the gzipped WASM matches the proposed hash.

```
git fetch
git checkout cf41372e3d4dc1accfe2c09a7969f8bddc729dc1
"./ci/container/build-ic.sh" "--canisters"
sha256sum ./artifacts/canisters/ic-icrc1-archive.wasm.gz
```


Upgrade NNS Canister: nbsys-saaaa-aaaar-qaaga-cai to wasm with hash: f7f48f402a128cbd18dc7734c7f149f2814c8181766f39897a66d514d47ccf11