Company: BTC
Filing Date: 2025-04-01
Form Type: POS AM
Source: 0001193125-25-070549
Chunk: 181

Company: Grayscale Bitcoin Mini Trust ETF
Filing Date: 2025-04-01
Form: POS AM
Chunk 181
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 accounts in which the Vault Balance or
the Settlement Balance are maintained; and (iv) the withdrawal of Bitcoin from the Vault Balance to a public blockchain address the Trust controls (each such transaction is a “Custody Transaction”) (collectively, the “Custodial
and Prime Broker Services”).

The Custodian reserves the right to refuse to process or to cancel any pending Custody Transaction as
required by law or in response to a subpoena, court order, or other binding government order or to enforce transaction, threshold, and condition limits, in each case as communicated to the Trust as soon as reasonably practicable where the Custodian
is permitted to do so, or if the Custodian reasonably believes that the Custody Transaction may violate or facilitate the violation of an applicable law, regulation or applicable rule of a governmental authority or self-regulatory organization. The
Custodial Entities may suspend, restrict or terminate the Trust’s and the Sponsor’s access to the Custodial and Prime Broker Services, and/or suspend, restrict or close the accounts associated with the Trust’s Vault Balance and
Settlement Balance (the “Accounts”) if the Trust or Sponsor has taken certain actions, including any prohibited use or prohibited business as set forth in the Prime Broker Agreement or if either or both of the Custodial Entities are
required to do so by a subpoena, court order, or other binding government order.

From the time the Custodian has verified the
authorization of a complete set of instructions to withdraw Bitcoin from the Vault Balance, the Custodian will have a limited amount of time to process and complete such withdrawal. The Custodian will ensure that initiated deposits are processed in
a timely manner but the Custodian makes no representations or warranties regarding the amount of time needed to complete processing which is dependent upon many factors outside of the Custodian’s control. Transactions relating to Bitcoin held
in the Settlement Balance occur on the Bitcoin Blockchain.

The Custodial Entities make no other representations or warranties with
respect to the availability and/or accessibility of Bitcoin or the availability and/or accessibility of the Vault Balance, the Settlement Balance or the Custodial and Prime Broker Services.

Security of the Accounts

The Custodial Entities securely store all digital asset private keys held by the Custodian on secure servers or offline, in cold storage. Under
the Prime Broker Agreement, the Custodian must use commercially reasonable efforts to keep the private key or keys to the Vault Balance secure, and may not disclose such private keys to the Sponsor, Trust or any other individual or entity.

The Custodial