Computer scientists at New York University (NYU) have created a prototype blockchain technology called Bounce that aims to be faster and more energy efficient than existing alternatives. Blockchain is a decentralized digital ledger of shared transactions, used since 2009 for digital payments and contracts. The new approach uses satellites to order each set of transactions, called blocks, and return them to users. “Satellites are hard to access, secure against attacks, and their processing can be made tamper-resistant,” said Dennis Shasha, one of the study authors, in an NYU statement. According to the description of the new approach, Bounce processes more than five million transactions every two seconds, with transaction confirmation times of between 3 and 10 seconds. Its throughput is 30 to 100 times faster than its closest competitor, Solana, a next-generation system renowned for its speed (Network, March 31).
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