BTC
$83,652.62
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2.08%ETH
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3.49%USDT
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0.02%XRP
$2.1157
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2.25%BNB
$582.67
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2.60%SOL
$126.96
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4.44%USDC
$0.9998
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0.01%DOGE
$0.1626
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3.19%TRX
$0.2526
+
2.40%ADA
$0.6372
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2.97%LEO
$9.3015
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0.08%LINK
$12.60
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4.53%AVAX
$19.57
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4.81%XLM
$0.2382
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2.87%SUI
$2.2240
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5.98%SHIB
$0.0₄1207
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4.08%TON
$2.8631
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5.98%HBAR
$0.1650
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5.28%BCH
$343.17
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0.85%LTC
$77.71
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Proof-of-Work
Trust in Bitcoin builds by solving one 'puzzle' at a time
What makes Bitcoin transactions secure and trustworthy? Computer security and cryptography expert Zulfikar Ramzan explains in this video from Khan Academy.
