IBM has filed a blockchain - based patent aimed at improving the security of wireless networks to prevent a replay attack . The patent entails the generation of a transaction with a signed security certificate and a unique once - only security certificate . This demonstrates that a network is allowed to terminate the transaction before it is terminated . IBM and hp are almost equal in terms of the number of blockchain - based patents filed up to August 2018 .
IBM has filed a blockchain-based patent aimed at enhancing the security of blockchain networks to prevent a replay attack. The process entails the generation of a transaction with a signed security certificate and a unique once-only security value. This demonstrates that a network is allowed to conduct the transaction before it is transmitted. IBM and Alibaba are almost equal in terms of the number of blockchain-related patents filed up to August 2018.