This treasury withdrawal funds Hardware Wallets Maintenance which will provide the following services:

• Update Ledger and Trezor firmware and integration libraries with new relevant Cardano features or breaking changes. Update also if there are any breaking changes in Ledger and Trezor core firmware code, testing suites, etc.

• Update cardano-hw-cli to reflect firmware changes and to reflect user needs

• Support Keystone developers while doing the changes above

• Provide general cardano hw wallets maintenance, development support and bugfixing.

• Order and manage external code audits for Ledger firmware code (Ledger requirement, has to be done by one of 2 certified auditors)

This Treasury Withdrawal is submitted by Intersect on behalf of the vendor. The following sections; Abstract, Motivation, Rationale and Vendor Profile have been sourced from the approved proposal submitted by the Vendor as part of the Intersect budget process.

This treasury withdrawal funds one of 39 proposals to give effect to the approved budget info action for ₳275,269,340, administered by Intersect via gov_action1u9x73kwufaxa70lfy59g4ynwyrcsaxdcd0gxzzmh67s9fxq4j8hqqk2phgh. The information provided herein is intended to fulfill the spirit of the constitutional requirement for a treasury withdrawal info action by also providing the details of the proposed solution, alignment to the budget, and amount to be withdrawn from the Cardano Treasury.