Generic Signed Message Format

The five-minute read

One action, walked through

1. Open BIP 322 and read the status line before the examples.
2. Write down the rule in one sentence. A fair version of that sentence is: A standard for interoperable signed messages based on the Bitcoin Script format, either for proving availability of funds, or for committing to a message as the intended recipient of funds sent to the invoice address.
3. Name the object that changes: P2PKH, ECDSA.
4. Ask what an old client, an old contract, or an offline counterparty does. If the document is silent, the silence is part of the design.

The argument, unpacked

What has to be true

• You are implementing BIP 322 at the status the text itself states: Complete.
• The object that has to change is P2PKH, ECDSA. A neighbouring document with a similar name is not this one.
• Measurements of delay in one year do not travel with the specification.

What happened after the paper

The source marks this complete. That is a statement about the text, not a promise that every wallet or node has shipped it. Later documents can narrow, replace, or ignore this one. Cite the number you mean.

What to check before you use the idea

• Which message does Generic Signed Message Format add, and which old peer must still be answered?
• What does a node do when the short form fails and the full object is required?
• Which names are normative: P2PKH, ECDSA?

Terms

BIP 322

The public text titled Generic Signed Message Format.

Complete

The document's own label for how finished the text is. It is not a market fact.

The problem the paper names

A node that cannot fetch, filter, or relay the data it is supposed to validate is not a peer of the network the paper describes.

What the design proposes

• A standard for interoperable signed messages based on the Bitcoin Script format, either for proving availability of funds, or for committing to a message as the intended recipient of funds sent to the invoice address.
• The current message signing standard only works for P2PKH (1...) invoice addresses.
• We propose to extend and generalize the standard by using an approach based on Bitcoin Script.

How the mechanism is specified

• Taken from the specification, the next constraint is: The current message signing standard only works for P2PKH (1...) invoice addresses.
• Locate P2PKH, ECDSA in BIP 322 and apply it to one transaction or call.
• Then check the failure the class of rule always has: a node that did not upgrade, a reverted call, a replayed signature, or a peer that does not speak the message.

What this page does not treat as proven

• A peer protocol is not a consensus rule. A peer can disconnect. A block is still valid or not on its own.
• Measurements of delay in one year do not travel with the specification.
• The source marks this complete. That is a statement about the text, not a promise that every wallet or node has shipped it.

Why a venture studio still reads it

Use BIP 322 when a pitch says 'Generic Signed Message Format' without saying whether the rule is consensus, policy, or an interface. The number is the citation. The pitch is not.