Blockchain-based federated learning device, method and system

An electronic device for blockchain-based federated learning, comprising a processing circuit configured to:

• transmit first federated learning related information to a blockchain side,
• acquire indication information from the blockchain side indicating whether a federated learning node associated with the electronic device is able to participate in federated learning, wherein the indication information is generated by verifying the first federated learning related information through blockchain;
• and
• under the condition that it is determined that the federated learning node associated with the electronic device is able to participate in federated learning based on the indication information, cause data processing by federated learning nodes on the federated learning side that are able to participate in the federated learning in combination based on federated learning.

A method of blockchain-based federated learning, which is executed in a blockchain-based federated learning system including a federated learning side and a blockchain side, the method comprises:

• transmitting first federated learning related information associated with federated learning nodes from the federated learning side to the blockchain side,
• receiving the first federated learning related information, and verifying whether the federated learning nodes are able to participate in federated learning based on the first federated learning related information through blockchain, by the blockchain side,
• notifying the federated learning side of indication information indicating federated learning participant nodes that are able to participate in federated learning, by the blockchain side,
• determining, by the federated learning side, federated learning participant nodes based on the indication information, and
• performing data processing by the federated learning nodes on the federated learning side that able to participate in federated learning based on federated learning.