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USDT Becomes Unavailable on Regulated EU Markets as MiCA Deadline Hits◆Binance and CZ Face £150 Million Lawsuit From UK Crypto Investors◆Taiwan Legislature Passes Crypto Law for Exchanges and Stablecoin Issuers◆Citigroup Cuts Bitcoin and Ethereum Price Targets on ETF Outflows◆Taiwan Legislature Approves Crypto Law Establishing Regulatory Framework◆Trump Reportedly Holds Over $50M in Bitcoin in Cold Wallet◆Visa, Stripe, Coinbase and BlackRock Back Open USD Stablecoin◆Spot Bitcoin ETFs Face Worst Monthly Outflows Since Launch◆Nasdaq Brings Flagship Equity Data Onchain Via Pyth Network◆Crypto Firms Spend $189M on 2026 Midterms, Top 2024 Total◆USDT Becomes Unavailable on Regulated EU Markets as MiCA Deadline Hits◆Binance and CZ Face £150 Million Lawsuit From UK Crypto Investors◆Taiwan Legislature Passes Crypto Law for Exchanges and Stablecoin Issuers◆Citigroup Cuts Bitcoin and Ethereum Price Targets on ETF Outflows◆Taiwan Legislature Approves Crypto Law Establishing Regulatory Framework◆Trump Reportedly Holds Over $50M in Bitcoin in Cold Wallet◆Visa, Stripe, Coinbase and BlackRock Back Open USD Stablecoin◆Spot Bitcoin ETFs Face Worst Monthly Outflows Since Launch◆Nasdaq Brings Flagship Equity Data Onchain Via Pyth Network◆Crypto Firms Spend $189M on 2026 Midterms, Top 2024 Total◆
Wednesday, July 1, 2026

BLOCKCHAIN • CRYPTOCURRENCY • NARRATIVE JOURNALISM

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Finney attack

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Crypto 101
What is Bitcoin Double Spending and How Does It Work?

Double-Spending Explained Double-Spending within Bitcoin is when the same BTCs (digital money files) are used more than once. For instance, if you buy an item for $1, you cannot spend that same $1 to buy a different item. If this were to happen, money would have no value since everyone would have unlimited amounts and [...]

Anca FlorentisDec 10, 20185 min read
What is Bitcoin Double Spending and How Does It Work?