Written conform to the principles and terminology of Blockchain.

Where node[1.1].signature = hash(concatenate(node[1.1.1].toString(),node[1.1.2].toString()))) etc.

• Git
• Modern File Systems

Where root[i+1].signature = hash(concatenate(root[i].toString(),block[i].toString())) etc.

• Blockchain

• Blockchain

• Blockchain

One single instance of:

• data
• behavior
• events

• Blockchain

By default the contracts are immortal. They could trap funds if they cannot be stopped from operation.

Contract1, 2, 3 are interoperable

A more detailed UML and implementation: ontrack-dapp

Twin smart contracts usually are born and die together. Also the transcations they initiate are born in synchronicity and atomically in mirror on their respective newtorks.

A contract that implements contract factory for any number of contracts.

Diagrams drawn using Nomnoml and JS Sequence Diagrams.