Square planned Lightning Bitcoin payments for eligible US sellers
According to a ChainCatcher report published on November 11, 2026, Square planned to complete a phased expansion of…
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LNbits halted hosted instances after attacks, said services would return within 24 hours
LNbits, the open-source Bitcoin Lightning wallet and account system, warned users to stop their LNbits servers after a…
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Bitcoin mining: from candidate block to accepted history
Connect proof of work, validation, pool shares, and operating economics without confusing their roles.
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Ethereum accounts: addresses, keys, contracts, and nonces
Read account behavior without confusing a wallet application, an address, and the authority behind it.
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Ethereum gas: distinguish work, price, and spending caps
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Ethereum finality: from a quick receipt to finalized settlement
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Smart contracts: inspect the rules and the people who can change them
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Token approvals: understand the permission before the swap
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Token supply: read minting, burning, vesting, and circulation separately
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Token decimals: translate raw balances without changing value
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Stablecoin mechanics: identify the route back to the target value
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Stablecoin reserves: read the assets, liabilities, and access terms
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Onchain metrics: define the observation before telling a story
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Trading volume quality: inspect what was counted and where
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Market capitalization: useful arithmetic with important limits
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Crypto research sources: build a claim-to-evidence trail
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Protocol upgrades: distinguish proposal, release, activation, and migration
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Staking: separate validator rewards from the service wrapper
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MEV: understand how transaction ordering changes outcomes
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NFT metadata: separate token ownership from the file it references
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How to read a crypto whitepaper as a testable argument
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Bitcoin UTXOs: why a balance consists of individual outputs
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Bitcoin confirmations: reading settlement as a process
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Bitcoin fees: calculate cost before choosing a speed