How to Verify Your BMIX PGP Guarantee Letter: A Step-by-Step Guide to Verify PGP Bitcoin Mixer Guarantee
Primary keyword: verify PGP Bitcoin mixer guarantee | Supporting: PGP signature verification, Bitcoin mixer guarantee check, Gpg4win tutorial, BMIX PGP verify
BMIX issues a PGP-signed guarantee letter with every transaction. This document is the cryptographic proof that the Bitcoin address you were given was generated by BMIX's server — and that BMIX's stated obligations apply to your transaction. Here's exactly how to verify it.
What the Guarantee Letter Is
A PGP (Pretty Good Privacy) signature is a cryptographic authentication mechanism. When BMIX generates a deposit address for a transaction, it creates a guarantee letter containing the address details, transaction parameters, and processing commitments — and signs this letter with BMIX's private key. Anyone with BMIX's public key can verify that this specific letter was signed by BMIX and has not been altered.
This verification is mathematical — it doesn't require trusting any platform, any person, or any claim. The cryptography either verifies or it doesn't. Download the guarantee letter before sending any funds and keep it until your clean coins arrive.
BMIX Public Key
BMIX public key fingerprint: B8A5 CFCA F63F F2D8 384A 6B12 D3B2 8095 6F0E 7CAF
This key can be downloaded from the BMIX website at https://bmix.io or found directly in PGP client applications by searching for the fingerprint.
Verification Method 1: Gpg4win (Windows)
Download and install Gpg4win from gpg4win.org. Import the BMIX public key: in Kleopatra (included with Gpg4win), click 'Import' and select the BMIX public key file downloaded from the website, or search for the fingerprint B8A5 CFCA F63F F2D8 384A 6B12 D3B2 8095 6F0E 7CAF directly within the application. Once imported, right-click on the saved guarantee letter file and select 'Verify' — Gpg4win will confirm whether the signature is valid.
Verification Method 2: OpenKeychain (Android)
Install OpenKeychain from the Google Play Store. Import the BMIX public key using the fingerprint B8A5 CFCA F63F F2D8 384A 6B12 D3B2 8095 6F0E 7CAF or by importing the downloaded key file. Open the guarantee letter file in OpenKeychain and select the verification option. The application will confirm the signature status.
Verification Method 3: gnupg (Linux / macOS)
gnupg is typically pre-installed on GNU/Linux systems and available for macOS. Import the BMIX public key with: gpg --import bmix_public_key.asc. Verify the guarantee letter file with: gpg --verify guarantee_letter.asc. A valid signature confirmation will display the BMIX key fingerprint.
Verification Method 4: Online PGP Checker
For users who prefer not to install software, the BitList PGP Checker at https://bitlist.co/pgp provides online verification. Upload or paste the contents of the guarantee letter and submit — the checker displays the signature verification result and the signing key fingerprint. This is the fastest option for new users.
Regardless of which method you use, the verification result is the same: either the signature is valid (the letter was generated by BMIX and has not been modified) or it is not. Save your verified letter and reference it if any issue arises with your transaction. Details at https://bmix.io
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