David Palmer underscored the importance of leveraging SIM card technology for blockchain integration. Existing Reports show that 8 billion mobile devices will be in use by 2030. Digital wallets on mobile phones will surge to 5.6 billion by 2030. Vodafone Blockchain Lead and PairPoint CPO David Palmer has emphasized the pivotal role of mobile phones The post Vodafone Plans To Use SIM Card Tech For Blockchain-based Digital Wallets appeared first on Coin Edition .