Tag: Double-Spend

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Bitcoin

Real-world bitcoin snack machine

sell, technology and consumption concept - vending machine money amount indicator or display

Designing a fast-confirmation bitcoin vending machine.Continue readingReal-world bitcoin snack machine

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Tutorials

How to cancel Bitcoin transaction?

Bitcoin cryptocurrency trader, business person using modern technology electronic to trade with crypto money, stacked coins in the foreground and defocussed businessman in background

When you send Bitcoin from your wallet to some other address it needs some time for transaction confirmation in the blockchain.Continue readingHow to cancel Bitcoin transaction?