What is the difference between Blockchain and a Database?Generally a database is a collection of data which can be stored and organized using a database management system. The people who have access to the database can view or edit the information stored there. The client-server network architecture is used to implement databases. whereas a blockchain is a growing list of records, called blocks, stored in a distributed system. Each block contains a cryptographic hash of the previous block, timestamp and transaction information. Modification of data is not allowed due to the design of the blockchain. The technology allows decentralized control and eliminates risks of data modification by other parties.
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他近兩個小時的演說中，只零星提及少數想法，包括為美國勞工階層設立新的退休儲蓄帳戶，以及與AI公司達成協議，提供足夠電力給其工廠，以及避免消費者電費上漲。他還重新推銷一些舊有想法，例如提供直接補助幫助美國人支付醫療保險費用的計劃、要求所有選民證明公民身份的法律，以及禁止向非法移民發放商業駕照。