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We propose a formal model of Bitcoin transactions, which is sufficiently abstract to enable formal reasoning, and at the same time is concrete enough to serve as an alternative documentation to Bitcoi...
A Fair Protocol for Data Trading Based on Bitcoin Transactions
electronic commerce and payment fair exchange blockchain
2017/10/25
On-line commercial transactions involve an inherent mistrust between participant parties since, sometimes, no previous relation exists between them. Such mistrust may be a deadlock point in a trade tr...
P2P Mixing and Unlinkable Bitcoin Transactions
anonymity mixing DC-nets crypto-currencies
2016/12/10
Starting with Dining Cryptographers networks (DC-net), several peer-to-peer (P2P) anonymous communication protocols have been proposed. Despite their strong anonymity guarantees none of those has been...
Blindly Signed Contracts: Anonymous On-Blockchain and Off-Blockchain Bitcoin Transactions
Bitcoin blockchain smart contracts
2016/1/27
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 a...