Accelerating Bitcoin Initial Sync with the UTXO Set We’ve all experienced situations where our Bitcoin node stops working—maybe the Raspberry Pi crashes, the disk...
During my initial research period at UAB, I began developing a replica of the real Bitcoin mainnet. While this might sound unusual—especially given the...
📊 Bitcoin’s Decentralization: What the Data Really Says Bitcoin is intended to be a decentralized, trustless peer-to-peer currency. But how decentralized is the network, really, 15...
Some time ago, we proposed a mechanism to address a long-standing issue in Bitcoin: the vulnerability of zero-confirmation (0-conf) transactions to double-spending attacks. Zero-confirmation...
We’ve recently submitted our latest paper to the 2025 7th International Conference on Blockchain Computing and Applications (BCCA), which will take place in Croatia. In...
How GroupHug works, a server programmed in Rust that allows grouping or batching of transactions without interaction between users using SigHash Single | AnyoneCanPay...
April 7, 2024 · 6 min · Pol Espinasa Let’s suppose that Bob and Alice share a flat and want to buy a television worth 2 bitcoins, paying...