Bitcoin
Bitcoin is the first decentralized cryptocurrency. Nodes in the peer-to-peer bitcoin network verify transactions through cryptography and record them in a public distributed ledger, called a blockchain, without central oversight. Consensus between nodes is achieved using a computationally intensive system based on proof-of-work called mining.
Arthur Hayes Says The Setup Is Turning Bullish
Arthur Hayes says Bitcoin’s macro setup is turning bullish again, arguing that wartime spending, US fiscal deficits and bank-led credit...
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House Republicans Warn That Bitcoin Weakness Benefits China
Three members of Congress positioned digital asset regulation as a matter of national security and economic competition during a panel...
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Zetachain Pauses Mainnet After GatewayZEVM Contract Exploit Targets Protocol Wallets
Key Takeaways: Zetachain paused cross-chain transactions on Tuesday after an exploit targeting the GatewayZEVM contract’s call function hit internal team...
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doublespend – Double spending on testnet or regtest?
For a double spend, on -testnet create a transaction and let it broadcast. Restart bitcoind or bitcoin-qt with -testnet -zapwallettxes=2...
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Who is Evan Tangeman: 22-Year-Old Gets 70 Months in $263M Crypto Laundering Case
Who is Evan Tangeman? The 22-year-old, of Newport Beach, California, was sentenced on April 24, 2026, to 70 months in...
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GENIUS Act Ready Or Not? BitGo Says Here Are The 5 Fixes For Successful Rollout
Trusted Editorial content, reviewed by leading industry experts and seasoned editors. Ad Disclosure Following the US Treasury Department and the...
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Ethereum Buyers Stepping In Right Now Are the Most Aggressive Since Early 2023: Is the Bottom In?
Ethereum has clawed back above $2,300, with bulls pushing to reclaim a level that has defined the upper boundary of...
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Be Scared If You Don’t Own Bitcoin
Speaking on the Nakamoto Stage, Tim Draper told attendees that bitcoin has entered the financial mainstream and that governments now...
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Fidelity Says Bitcoin Has Thin Profit Cushion as Macro Risks Drive 25% YTD Decline
Key Takeaways: Fidelity Digital Assets rates bitcoin’s Q1 2026 NUPL score at 0.21, placing BTC in the cautious “Hope-Fear” zone....
Read morescript – Does SHA-256d’s fixed second-hash padding create measurable internal structure beyond random oracle behavior?
Bitcoin security never depended on resistance to length-extension because preimages are public anyway, and common belief is that the double...
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