Lan, Y., Liu, Y., Li, B. and Miao, C. (2021) “Proof of Learning (PoLe): Empowering Machine Learning with Consensus Building on Blockchains (Demo)”, Proceedings of the AAAI Conference on Artificial Intelligence, 35(18), pp. 16063-16066. doi: 10.1609/aaai.v35i18.18013.