Bo Cui 0005 Tianyu Mei ABFL: A Blockchain-enabled Robust Framework for Secure and Trustworthy Federated Learning. 636-646 2023 ACSAC https://doi.org/10.1145/3627106.3627121 https://www.wikidata.org/entity/Q130824658 conf/acsac/2023 db/conf/acsac/acsac2023.html#CuiM23