Mechanism LabONCHAIN MECHANICS
Learning tools

Learning toolsThese tools appear when the journey reaches them, or you can open them directly here.

Value pathAfter several mechanisms, inspect how value and risk cross boundaries.LabLeave the lesson prompts and freely change or break the mechanism.ChallengesUse cross-module questions to test whether the boundaries really hold.GlossaryLook up unfamiliar terms and return to the related lesson.Research journalSave experiment states, compare outcomes, and write your explanation.
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SYSTEM RELATIONSHIPS

How do onchain systems
depend on one another?

This page links ten parts of an onchain system, from the ledger to final settlement. It is useful after you have completed one or two courses.

10 stepsInteractiveEducational example
SYSTEM RELATIONSHIPS · 10 STEPS

How an asset moves through several systems

The order is an explanatory example, not a required protocol call sequence. Select a step to read its change, risk, and related course.

01 · LEDGER

Make the state verifiable first

Every financial action starts by becoming an accountable account, nonce, and balance transition.

BEFORESignature + nonce + balance
AFTERA new state nodes can replay
TRACE THE STATE

How the state moves to the next boundary

Signature + nonce + balance → A new state nodes can replay

Open lesson →Open the sandbox ↗
ABOUT THIS DIAGRAM

It explains relationships, not a fixed call order.

Real protocols may skip or reorder these steps. Use the diagram to identify what changes, what each step depends on, and where a failure can affect later systems.

Take the systems challenge →Choose a learning path ↗