Why a letter of guarantee exists
Mixerdream does not require accounts and removes processing data after an order completes or an unused deposit expires after 45 minutes. That no-log design improves privacy, but it also means support cannot “look up your username.” The PGP-signed letter of guarantee is the portable proof of what was agreed before you sent bitcoin.
Without the letter, reconstructing deposit addresses, payout destinations and timing windows becomes difficult. With the letter, you can verify authenticity offline and share relevant fields with support if delivery needs attention.
Mixerdream is also known as Mix Dream or Dream Mixer BTC. Treat the letter as part of a privacy-tool workflow and comply with local law.
What the letter typically contains
Expect deposit address details, payout addresses you configured, fee parameters, validity windows and a cryptographic signature. Always download the letter before sending BTC, then verify the signature against Mixerdream’s published public key.
Never send funds to an address that does not match the letter. Phishing sites often mimic UI but cannot produce a valid signature under the real Mixerdream key. If verification fails, stop.
Operational walkthroughs live in the how-to mix guide and the dedicated letters of guarantee blog post. Start orders from the homepage.
How to store and use the letter safely
Keep a local copy until payouts complete and you no longer need support. Prefer encrypted storage if your device is shared. Do not paste the full letter into public forums. When contacting support, quote the minimum fields required to identify the order.
Because Mixerdream deletes logs, the letter is your memory. Losing it after a problem appears can delay help. Saving it is not bureaucracy — it is the counterpart to a no-account mixer.
Letters in the wider Mixerdream privacy stack
Verification is one of the core crypto privacy tools. Mixing itself is covered under bitcoin mixing and blockchain mixer. Goals like anonymous bitcoin, clean bitcoins and untraceable transactions all assume you verified the letter first.
Company context: about Mixerdream. Topic hub: categories. Locales: FR, ES. Related product language: crypto mixer and cryptocurrency obfuscation.
Fees context while you hold the letter
Standard Mixerdream fee is 3.5% + 0.0007 BTC with a 0.001 BTC minimum and a free 0.001 BTC trial mode. Delivery typically finishes within 6–8 hours after one confirmation. Dual payouts and Precise Payment, if selected, appear in the letter — confirm they match your intent before depositing.
For large balances, several orders around or below 5 BTC remain the recommended pattern. Each order gets its own letter; keep them organized.
PGP letters as a trust interface for no-log services
Account-based products prove history with dashboards. No-log mixers prove history with cryptography and user-held artifacts. The Mixerdream letter of guarantee is that artifact: a signed statement of deposit, payouts and parameters you can verify without trusting a screenshot.
This interface shifts responsibility toward the user in a healthy way. You must download, verify and store the letter. In exchange, you avoid a permanent central dossier of your mixing activity. People who want both zero personal responsibility and zero logs are asking for a contradiction.
Teams should assign who holds letters for shared treasuries. A single laptop that disappears should not be the only copy when multiple stakeholders care about delivery. Use encrypted shared storage if collaboration is required, and revoke access when the order is finished.
Common verification failures and how to respond
Verification can fail because the file was truncated, the wrong key was imported, or the site is a phishing clone. Stop depositing when signatures fail. Re-fetch the letter only from the session you trust, re-import the official Mixerdream public key, and try again. Do not send funds anyway.
Another failure mode is verifying a letter for order A while depositing to an address from chat message B. Always cross-check the deposit string character by character against the signed content. Hardware wallet users should paste carefully and confirm on-device.
If support ever asks you to ignore a signature mismatch, treat that as hostile. Real Mixerdream support aligns with the letter model; it does not undermine it.
Lifecycle: create, verify, fund, retain, retire
Create the order on the official homepage. Verify immediately. Fund only after verification. Retain until payouts are confirmed and any support window you care about has passed. Retire by deleting copies you no longer need, especially on shared machines.
That lifecycle pairs with Mixerdream’s fee and timing parameters so finance stakeholders know what to expect: 3.5% + 0.0007 BTC, 0.001 BTC minimum, optional 0.001 BTC trial, roughly 6–8 hours after confirmation. Letters make those expectations enforceable in conversation without accounts.
For multilingual teams, keep the letter itself as the source of truth even if chat happens in French or Spanish via the localized hubs. Numbers and addresses do not need translation; ambiguity does.
Think of the Mixerdream letter as both a receipt and a support ticket template. It encodes what you configured before bitcoin left your wallet, which is exactly what a no-log service needs when something stalls. Store it with the same care you give seed backups for the duration of the order, then retire copies when the operational need ends.
FAQ
Must I keep the Mixerdream letter of guarantee?
Yes until mixing completes. Because Mixerdream keeps no lasting logs, the letter is your proof for support.
How do I verify a Mixerdream letter of guarantee?
Check the PGP signature against Mixerdream’s published public key before sending any bitcoin.
Related for this topic: guarantee letter guide, bitcoin mixing, PGP public key.
Mix BTC with Mixerdream
Mixerdream is a no-log Bitcoin mixer and BTC tumbler with PGP letters of guarantee. Fee: 3.5% + 0.0007 BTC · Min: 0.001 BTC · Free trial: 0.001 BTC.