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Stealth Address and Key Management Techniques in Blockchain Systems

机译：区块链系统中的隐形地址和关键管理技术

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Bitcoin is an open source payment system with a market capitalization of about 15 G$. During the years several key management solutions have been proposed to enhance bitcoin. The common characteristic of these techniques is that they allow to derive public keys independently of the private keys, and that these keys match. In this paper we overview the historical development of such techniques, specify and compare all major variants proposed or used in practical systems. We show that such techniques can be designed based on 2 distinct ECC arithmetic properties and how to combine both. A major trend in blockchain systems is to use by Stealth Address (SA) techniques to make different payments made to the same payee unlikable. We review all known SA techniques and show that early variants are less secure. Finally we propose a new SA method which is more robust against leakage and against various attacks.
机译：比特币是一个开源支付系统，市场资本化约为15克。在多年来，提出了几个重点管理解决方案来增强比特币。这些技术的共同特征是它们允许独立于私钥派对公钥，并且这些键匹配。在本文中，我们概述了这种技术的历史发展，指定和比较了在实际系统中提出或使用的所有主要变体。我们表明，这些技术可以基于2个不同的ECC算术特性和如何组合。区块链系统的主要趋势是通过隐形地址（SA）技术来使不同的支付给不同的收款人不可能。我们审查了所有已知的SA技术，并显示早期变种不太安全。最后，我们提出了一种新的SA方法，更强大地避免泄漏和针对各种攻击。

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