Confidential and efficient asset proof for bitcoin exchanges
نویسندگان
چکیده
منابع مشابه
Privacy Preserving Non-interactive Proof of Assets for Bitcoin Exchanges
Bitcoin is a decentralized cryptocurrency for e-payments.Bitcoin exchanges stand for the trading of customers’ bitcoins against major paramount currencies.The users’ bitcoins can be stored in a digital wallet offered by the Bitcoin exchange.Precisely, Bitcoin exchanges are equivalent to banks,providing security for the customer’s bitcoins in their absence.An exchange always need to be solvent i...
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An enhancement is suggested to make Bitcoin transaction amounts hidden to all but the sender and receiver. In each transaction, the output amounts are encrypted with the public keys of the respective receivers. Only the transaction fee is publicly revealed, to allow miners to prioritise transactions. A homomorphic commitment for each transaction proves that the sum of the transaction inputs mat...
متن کاملMaking Bitcoin Exchanges Transparent
Bitcoin exchanges are a vital component of the Bitcoin ecosystem. They are a gateway from the classical economy to the cryptocurrency economy, facilitating the exchange between fiat currency and bitcoins. However, exchanges are also single points of failure, operating outside the Bitcoin blockchain, requiring users to entrust them with their funds in order to operate. In this work we present a ...
متن کاملPoster: Mixing Confidential Transactions: Comprehensive Transaction Privacy for Bitcoin
The public nature of the blockchain has been shown to be a severe threat for the privacy of Bitcoin users. Even worse, since funds can be tracked and tainted, no two coins are equal, and fungibility, a fundamental property required in every currency, is at risk. With these threats in mind, several privacyenhancing technologies have been proposed to make Bitcoin more private. However, they eithe...
متن کاملMixing Confidential Transactions: Comprehensive Transaction Privacy for Bitcoin
The public nature of the blockchain has been shown to be a severe threat for the privacy of Bitcoin users. Even worse, since funds can be tracked and tainted, no two coins are equal, and fungibility, a fundamental property required in every currency, is at risk. With these threats in mind, several privacy-enhancing technologies have been proposed to improve transaction privacy in Bitcoin. Howev...
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ژورنال
عنوان ژورنال: Sādhanā
سال: 2018
ISSN: 0256-2499,0973-7677
DOI: 10.1007/s12046-018-0880-4