The proof-of-work (PoW) algorithm used by bitcoin and some other cryptocurrencies is not viable in the long-term and needs to be replaced, argues a new study from the Bank for International ...

Proof of Work (PoW) is a consensus mechanism where miners use computing and compete to solve mathematical puzzles. When a puzzle is solved, transaction data is validated and added to the network, and ...

One of the world’s biggest blockchains is testing a new way to approve transactions. The move has been many years in the making but doesn’t come without risks. The market for NFTs—tokens that ...

Privacy-centric cryptocurrency monero (XMR) plans to switch to a new proof-of-work (PoW) algorithm in October. The new algorithm follows an agreement with Arweave ...

Bitcoin miners collect and broadcast transactions in a block and verify their validity. Then they apply a cryptographic hash function of the previous block’s header to the new block. Finally, they try ...

Forgoing crypto’s main principles, proof-of-authority is used by world giants and tech companies for better efficiency and scalability. While the proof-of-authority consensus algorithm is turning into ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Erika Rasure is globally-recognized as a ...

Erika Rasure is globally-recognized as a leading consumer economics subject matter expert, researcher, and educator. She is a financial therapist and transformational coach, with a special interest in ...

As the blockchain concept expands beyond cryptocurrency into software applications, improving transaction-throughput performance has become a critical area of research and development. One of the more ...

E. Napoletano is a former registered financial advisor and award-winning author and journalist. Ben is the former Retirement and Investing Editor for Forbes Advisor. With two decades of business and ...

E. Napoletano is a former registered financial advisor and award-winning author and journalist. Patrick McGimpsey is passionate about crypto and its impact on the financial world. He has over seven ...