Blind Signatures for Bitcoin Transaction Anonymity

نویسنده

  • WATSON LADD
چکیده

Bitcoin is [6] a peer-to-peer distributed currency system. Bitcoin attempts to provide anonymity to users by cycling keys [6] however such protection is of limited value. [8] In this paper I present a new means of forming transactions that prevents a sender of bitcoins from linking the public key of the reciever to a transaction, requiring only a single additional option for what

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Blindly Signed Contracts: Anonymous On-Blockchain and Off-Blockchain Bitcoin Transactions

Although Bitcoin is often perceived to be an anonymous currency, research has shown that a user’s Bitcoin transactions can be linked to compromise the user’s anonymity. We present solutions to the anonymity problem for both transactions on Bitcoin’s blockchain and off the blockchain (in so called micropayment channel networks). We use an untrusted third party to issue anonymous vouchers which u...

متن کامل

Increasing Anonymity in Bitcoin

Bitcoin prevents double-spending using the blockchain, a public ledger kept with every client. Every single transaction till date is present in this ledger. Due to this, true anonymity is not present in bitcoin. We present a method to enhance anonymity in bitcoin-type cryptocurrencies. In the blockchain, each block holds a list of transactions linking the sending and receiving addresses. In our...

متن کامل

Anonymity of Bitcoin Transactions An Analysis of Mixing Services

Bitcoin, a distributed, cryptographic, digital currency, gained a lot of media attention for being an anonymous e-cash system. But as all transactions in the network are stored publicly in the blockchain, allowing anyone to inspect and analyze them, the system does not provide real anonymity but pseudonymity. There have already been studies showing the possibility to deanonymize bitcoin users b...

متن کامل

Bitcoin Transaction Graph Analysis

Bitcoins have recently become an increasingly popular cryptocurrency through which users trade electronically and more anonymously than via traditional electronic transfers. Bitcoin’s design keeps all transactions in a public ledger. The sender and receiver for each transaction are identified only by cryptographic publickey ids. This leads to a common misconception that it inherently provides a...

متن کامل

Structure and Anonymity of the Bitcoin Transaction Graph

The Bitcoin network of decentralized payment transactions has attracted a lot of attention from both Internet users and researchers in recent years. Bitcoin utilizes a peer-to-peer network to issue anonymous payment transactions between different users. In the currently used Bitcoin clients, the full transaction history is available at each node of the network to prevent double spending without...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2012