App Blueprintbtcapps.org

Sheet S-01 · Questions

Blueprint wizard

Answer in any order. The sheet redraws as you go. Your answers stay in this browser only.

Jump to the blueprint

1. What are you building?

Pick the closest fit. You can change your mind at any time and the sheet will redraw.

Step 1 of 5

Guidance only. The wizard cannot see your code and gives no security guarantees.

Sheet 1 of 1 · System blueprint

Untitled app

0 of 5 decisions made

AArchitecture

The drawing starts here.

Answer a question on the left and boxes, arrows and trust boundaries appear on this sheet.

    Reading the drawing: cyan outlines sit on the user's device, yellow outlines sit on servers you run, dashed outlines belong to third parties.

    BDesign checks

    • Checks appear when two of your choices pull in different directions.

    CRisk register

    1. No risks drafted yet.

      Choose an app type or custody model and the register fills in.

    DBuild order

    1. B1

      Write the one-page spec

      Answer the questions on the left first.

    EDecisions and revisions

    Revision table
    RevDecisionChoiceDate
    Project
    Untitled app
    Type
    Not chosen
    Custody
    Not chosen
    Platform
    Not chosen
    Sheet
    1 of 1
    Scale
    NTS

    FCopy or print

    The same blueprint as plain text, ready to paste into a ticket, a README or an email. Printing uses a clean white-paper layout.

    Remember: this is a drafting aid, not an audit. It cannot see your code and it gives no security guarantee. Have qualified people review anything that will hold real value.