21Relay learning environment
SYSTEM 21R-PG // LOCAL SIMULATION
Enter the
Bitcoin Playground
Explore Bitcoin as a working system. Change inputs, watch the network state respond and verify why each outcome occurs.
19 guided labs. No account required.
Environment ready21R / LAB
MODESIMULATIONNETWORKISOLATEDFUNDS0 SATSKEYSFICTIONAL
01ChooseSelect a system
02ConfigureChange the inputs
03ObserveInspect the state
04VerifyExplain the result
Runs locally for education. No real keys, funds or broadcasts.