peer channel fetch

peer channel create

peer channel update

peer channel join

getstate("A") function returns the current state of the key "A".

The deleting transaction sets an empty value to the key "A" in the write set.

The state of the key "A" is removed from the state database, but its history remains in the ledger.

All transaction histories which updated the state "A" are deleted from the ledger.

Running chaincode for Smart Contracts in development mode.

Manually update the Smart Contract code on the network.

Deploy the Smart Contract on the network for every update.

Use a Production Network to test and develop Smart Contracts.

Identify specific users who must sign in order to satisfy a policy.

Number of nodes in the network.

Private keys of all network participants.

Type of consensus algorithm used

They can be modified by anyone with write access.

Administrator role is required for access.

They are immutable.

They cannot be accessed by anyone.