Threat model before tools
Design around concrete failures and the people who must recover.
About 14 minutes with practice · Marked complete
Sikh Bitcoin · Expert · 21 lessons
Design recovery and accountable operations. Compare native Bitcoin and Lightning with wrapped collateral, USDC and lending without hiding the dependencies.
21 lessons · About 5 hours including practice. Comfort with Deep Dive. Scenarios use fictional records; no funds or credentials are needed.
Create a defensible custody and treasury design, including the evidence needed to decide not to deploy.
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Design around concrete failures and the people who must recover.
About 14 minutes with practice · Marked complete
Separate routine use, authorization and observation.
About 14 minutes with practice · Marked complete
Understand recovery inputs without improvising cryptography.
About 14 minutes with practice · Marked complete
A separate device helps only when its checks are understood.
About 14 minutes with practice · Marked complete
Count independent failure domains, not just signatures.
About 14 minutes with practice · Marked complete
Make a plan that remains understandable when its author is absent.
About 14 minutes with practice · Marked complete
Understand how transaction construction can connect histories.
About 14 minutes with practice · Marked complete
Operate a payment service with channel state and continuity in mind.
About 14 minutes with practice · Marked complete
Design clear records from an invoice to an authorized refund.
About 14 minutes with practice · Marked complete
Follow the asset and the extra trust assumptions.
About 14 minutes with practice · Marked complete
Separate issuer commitments from market prices and access.
About 14 minutes with practice · Marked complete
A symbol pair is not a complete lending specification.
About 14 minutes with practice · Marked complete
Understand which price a lending contract actually uses.
About 14 minutes with practice · Marked complete
Work through a hypothetical balance sheet without taking a loan.
About 14 minutes with practice · Marked complete
Read a rate as a changing input, not a promise.
About 14 minutes with practice · Marked complete
Look through a share balance to the underlying exposures.
About 14 minutes with practice · Marked complete
Name the settlement rules behind the interface.
About 14 minutes with practice · Marked complete
Understand what a token authorization permits.
About 14 minutes with practice · Marked complete
Make obligations and permissions visible beside asset balances.
About 14 minutes with practice · Marked complete
Respond to uncertainty without creating a second incident.
About 14 minutes with practice · Marked complete
Compare options and write a decision that another person can challenge.
About 14 minutes with practice · Marked complete
AI-assisted educational material. Sources checked October 1, 2026; independent curriculum review is pending. The final capstone is a self-directed exercise, not a credential or permission to transact.