Millibitcoin, abbreviated as mBTC, is a subunit of Bitcoin. It represents one-thousandth of a Bitcoin, or 0.001 BTC. This smaller denomination allows for easier transactions and calculations, especially when dealing with microtransactions or smaller purchases.Using mBTC can simplify pricing for items that cost less than a full Bitcoin, making it more accessible for everyday transactions. For example, if an item is priced at 0.05 BTC, it can also be expressed as 50 mBTC.Millibitcoin aims to enhance usability. As the value of Bitcoin rises, using mBTC helps people envision prices and costs in a more relatable way. Overall, mBTC serves both practical and user-friendly purposes in the evolving landscape of digital currencies.