Do I have to pay gas if I choose an Ethereum chain?
Kaleido’s private Ethereum networks are gasless because they do not operate on main-net’s proof of work consensus algorithm; instead, they use any of Proof of Authority (PoA), Istanbul BFT (Byzantine Fault Tolerant) or Raft which rotates the miners of each new block between member nodes in the network.
Nodes in a permissioned Ethereum environment are authoritatively identifiable and as a result, can operate on the much more performant digital signature based algorithms.
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