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VCE
Regarding Ethereum contracts, the contracts can call (perform) two specific message calls. The message calls are either _____________ or __________? (Select two.)
A. Bitcoin nodes
B. Send Ether to non-contract
C. DApps
D. Other contracts
E. Ether Nodes
How are blocks of data "chained" together to ensure the integrity of transactions?
A. The hash of the previous block is written to the header of the current block
B. The ID of the previous block is stored in the current block
C. A public key is stored in each block for data decryption
D. The hash of the genesis block is kept in all block headers
The two main types of transactions you can perform in Hyperledger Fabric are:
A. Chaincode Read and Chaincode Write transactions
B. Deploy and Invoke transactions
C. HFRead and HFAppend transactions
D. Call and Write transactions