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Updated blog post content
Detailed description:
Rearranged the paragraphs in a blog post to improve readability and flow. The changes involve moving detailed technical information about ECDSA signature algorithm and its limitations from the middle of the article to the beginning, providing context for subsequent discussions.
Copy file name to clipboardExpand all lines: _posts/2020-03-11-MuSig:一個新的多重簽名標準.markdown
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2019年2月15日| Andrew Poelstra [轉載blockstream](https://blockstream.com/2019/02/18/en-musig-a-new-multisignature-standard/)
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2019年2月15日| Andrew Poelstra [轉載blockstream](https://blockstream.com/2019/02/18/en-musig-a-new-multisignature-standard/),比特幣及[Blockstream的Liquid](https://blockstream.com/liquid/)等相關區塊鏈使用[ECDSA簽名演算法](https://en.bitcoin.it/wiki/Elliptic_Curve_Digital_Signature_Algorithm)來驗證儲存在系統裡的幣的所有權歸屬。業界於2008年決定使用這個演算法是[基於當時廣泛使用且未申請專利的](https://bitcoin.stackexchange.com/questions/73049/why-was-ecdsa-chosen-over-schnorr-signatures-in-the-inital-design)數位簽名系統。但ECDSA存在一些嚴重的技術侷限,尤其是[多重簽名](https://en.bitcoin.it/wiki/Multisignature)和[閾值簽名](https://bitcoinmagazine.com/articles/threshold-signatures-new-standard-wallet-security-1425937098/)這兩種需要多個獨立方而非單一方的簽名非常難以通過ECDSA來實現。ECDSA簽名擁有十分複雜的代數結構,導致他們非常不靈活、難以操作,迫使比特幣開發者不得不用[比特幣指令碼](https://en.bitcoin.it/wiki/Script)來開發[跨鏈原子交換](https://en.bitcoin.it/wiki/Atomic_swap)或[閃電網路](https://en.bitcoin.it/wiki/Lightning_Network)這類應用,如果使用更加現代的簽名方案的話,可以讓這些應用更加小巧且隱私性更好。
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