Tag: BTC
Checking the Balances of a BTC/bitcoin wallet address can be done in two ways: Querying a Node, or Querying a Third party API. Querying a Node requires running your …
Wirex is a simple Exchange but that users can only buy and sell Crypto at the market rate (place market orders). It provides a Crypto card (WirexApps) that allows …
I have topped up via USDT to Ledger Crypto Wallet – and sold it to GBP (British Pounds). However, it seems that the Ledger Virtual Card Only Linked to …
Happy the Bitcoin Pizza Day! Wondering what on earth that is? Bitcoin is a decentralized digital currency (Distributed Ledger) that operates on a peer-to-peer network. Bitcoin allows users to …
In Bitcoin transactions, there is a “change” parameter. See the following NodeJs code to send amount of bitcoins from “fromAddress” (aka unspent transaction outputs – UTXOs) to “receivingAddress”, and …