BBC publishes guide to cryptocurrency terms after Binance hack

The BBC’s technology desk has published a quick‑reference guide that explains the most common cryptocurrency terms, from Bitcoin and blockchain to crypto exchanges, after a wave of high‑profile hacks and price swings put digital assets back in the headlines. The guide arrives as Binance, the world’s largest crypto exchange, confirmed that hackers accessed roughly $6.3 billion of customer funds in a breach that left half of the assets frozen but many still in thieves’ hands.

The timing reflects growing public curiosity and anxiety about the sector. Bitcoin’s price has surged to an all‑time high of about $126 000 in October 2025 before tumbling below $65 000 in February 2026, erasing gains made under the Trump administration’s crypto‑friendly stance. Politicians are now debating new regulations, and investors are demanding clearer explanations of how the technology works. The BBC guide aims to demystify the jargon that often blocks understanding for ordinary people.

The guide defines Bitcoin as a digital currency that operates without a central bank, making it attractive to those who value decentralisation but also exposing it to extreme volatility. It describes blockchain as a public ledger that records every transaction in linked “blocks,” maintained by volunteers who compete to verify entries in a process called mining. Mining rewards participants with new Bitcoin, but the activity consumes large amounts of electricity, prompting environmental concerns. A crypto exchange, the guide adds, is the online marketplace where users can buy, sell or trade these digital assets.

The BBC hopes the glossary will help readers separate hype from fact as the market evolves. By breaking down complex concepts into plain language, the guide could make it easier for consumers to assess risks, understand regulatory proposals and decide whether to engage with crypto products. As authorities tighten oversight and security breaches continue, clearer public knowledge may become a key factor in shaping the future of digital finance.