Builder LabCKB learning workbench
Cell model
0/3
Educational model

Witnesses and type rules are simplified for learning. This lab does not connect to a node, wallet, signature system, or the CKB-VM.

Current state

Cell ledger

A Cell is a piece of CKB state. It holds capacity, an ownership lock, optional rules, and data.
0 live0 consumed
No Cells yetSimulate a genesis output to create the first live Cell.

Compose

Build

Output CellAn output Cell is new state created by the transaction. It becomes live after a valid result is applied.
Estimated occupied capacity66 CKBytes

Result

Review

not run

Cell Journey

Predict before you simulateWill this draft pass all five checkpoints?

Current state
RulesNeeded pieces
Next state
Validation path

Needed piecesRun the simulation to check this step.

Cell detailsoutput
Value + space100 CKBytes66 occupied
Who controls itAlice
Change ruleNone
Stored stateHello
Validation details0

Validation

Rule trace

The trace lists each simulator check in order and explains why it passed or failed.

Run a simulation to see each validation step and explanation.