Cryptocurrencies Blockchains (Databases) 42 Electronic funds transfers 14 Bitcoin 13 Electronic commerce 13 Digital currency 10 Technological innovations 8 NFTs (Tokens) 7 Economic aspects 6 Data processing 5 World Wide Web 5 Internet 4 Smart contracts 4 Application software 3 Artificial intelligence 3 Computer programming 3 Computer security 3 Development 3 Finance 3 Financial services industry 3 Information technology 3 Metaverse 3 Money 3 Web applications 3 Bankman-Fried, Sam 2 Bankruptcy 2 Business 2 Computers 2 Corrupt practices 2 FTX (Firm) 2