Methods and systems for blockchain-related systems for oil and gas infrastructure are disclosed. In one aspect, a blockchain-related system includes a node disposed at an oil or gas infrastructure site, the node including a memory configured to store blockchain data; and a processor configured to: receive a first data item to append to a blockchain; add the first data item to the blockchain; but when communication to a second node is not available, the blockchain-related system may split the blockchain and add the first data item to the split blockchain.