BCHATX FEATURE · 01
Sign anything with your own wallet
Put a document in front of anyone and have them sign it with their Bitcoin wallet. Every signature is stamped on chain.
Where bChatX started: signing with your wallet · first shipped 7 Feb 2026 · Feb – Sep
bbChatX
Studio lease.pdf
PDF · 3 pages
Kemi✓ Signed
Stamped on chain
Alex (guest)Waiting
Signs from a link
Sign with bWalletX
WHY IT MATTERS
No service in the middle
Your wallet signs. There is no signing company holding your signature.
PDFs as they are
Sign a PDF exactly as it is, without converting it first.
Guests can sign
The other side signs from a link, without making an account.
HOW IT WORKS
- 1
Add a document
Upload a PDF or write one in a room.
- 2
Invite signers
Send email invites and ask more than one person to co-sign.
- 3
Sign and seal
Each signature is stamped on chain, and anyone can verify it.
QUESTIONS
Which wallets can sign?
bWalletX and any other BRC-100 wallet.
Does the other person need an account?
No. They can sign from the link you send them.
How do I prove a document was signed?
Every sealed document has a public verify page checked against the chain.
RELATED
FEATURE · 05
Anyone can check a signature
A public verify page shows that a sealed document is real, who signed it and when.
FEATURE · 10
Turn a chat into a contract
The room agent drafts the agreement, it is sealed on chain, and both sides sign.
FEATURE · 03
A vault for what you sign and send
Documents you share are encrypted so only the person you send them to can read them.
Chat, rooms and Spaces, owned by you.
Sign in with bWalletX. Your keys stay on your device.