01-22-2025 
OP_CAT
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25 December, 2024
Happy Holidays from CoinGeek!
2024 was full of highs and lows, with some disappointments and a steady stream of quiet victories. Significant things also...
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4 October, 2024
Yusuf Idi Maina tells how sCrypt won the Bitcoin Olympics
sCrypt's Yusuf Idi Maina joins this week's CoinGeek Weekly Livestream, where he discussed what the team has been up to...
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11 September, 2024
sCrypt wins Bitcoin Olympics prize by using OP_CAT
sCrypt's Mihael Šinkec and Yusuf Idi Maina leveraged SPV and the Bitcoin opcode OP_CAT on the Bitcoin Signet, demonstrating a...
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4 September, 2024
OP_CAT enables any contract in Bitcoin
In a Silicon Valley seminar, sCrypt's Xiaohui Liu talked about Bitcoin contracts and how the opcode "OP-CAT" is fundamental to...
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3 September, 2024
Efficient multi-input transaction grinding for OP_CAT Bitcoin covenants
sCrypt previously implemented Bitcoin covenants using OP_CAT, based on this Schnorr trick, which they say can greatly simplify signature calculation...
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8 July, 2024
Bitcoin OP_CAT use cases series #4: Recursive covenants
A recursive covenant applies to the immediate transaction and subsequent transactions that spend the bitcoins, meaning the imposed conditions could...
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31 Aug 2024
Sony incubator to boost Web3 adoption
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30 Sep 2024
Is BRICS’ new gold-backed currency imminent?
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18 Apr 2022
China’s banking regulators issue warning against NFTs
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10 Oct 2024
I watched ‘Money Electric’ so you don’t have to
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26 Aug 2024
Is BRICS about to announce a gold-backed currency?
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22 Oct 2024
It looks like there won’t be a BRICS currency yet
