Abstract: This paper studies coin selection algorithms employed by UTXO-based blockchains, such as Bitcoin and Cardano. In particular it introduces a modified greedy algorithm. Its aim is to minimize ...

Abstract: To realize a fault-tolerant quantum computer, a quantum error decoder that can handle a large number of qubits with high speed is required. This paper ...

Political battles in Washington are now being waged not over millions, but over pocket change. The Treasury Department is preparing to print President Donald Trump's face on a $1 coin commemorating ...

Silver has been on a remarkable run recently, with prices climbing dramatically over the past year as investors seek out safe-haven assets amid economic uncertainty. The precious metal has outpaced ...