Why letters of guarantee should be saved until completion
A guarantee only helps if users save it. This post teaches users to keep the signed letter until the order is completed and verify the signature when needed.
A lot of Bitcoin privacy mistakes happen because users assume the chain is harder to read than it really is. In practice, one address can tell a long story if it is reused, publicly posted, connected to an exchange withdrawal, or merged later with other coins.
This is why PGP letter of guarantee mixer deserves a plain explanation. Privacy is not a dramatic idea. It is the same instinct that keeps people from publishing bank statements or client invoices online.
MixTum’s message works best when kept concrete. The service says it uses randomized processing, clean coin return, no registration, no logs after completion or expiry, and a PGP-signed guarantee. It also gives users a small trial path through exactly 0.001 BTC when they want to observe the flow first.
Important facts:
• PGP-signed letter of guarantee for every order
• Letter should be retained until completion
• Online or local PGP verification can be used
Question for readers: what part of Bitcoin privacy did you understand only after using a block explorer for the first time?