Eric Brigham
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View article: Poster: No safety in numbers: traffic analysis of sealed-sender groups in Signal
Poster: No safety in numbers: traffic analysis of sealed-sender groups in Signal Open
Secure messaging applications often offer privacy to users by protecting their messages from would be observers through end-to-end encryption techniques. However, the metadata of who communicates with whom cannot be concealed by encryption…
View article: Competing (Semi-)Selfish Miners in Bitcoin
Competing (Semi-)Selfish Miners in Bitcoin Open
The Bitcoin protocol prescribes certain behavior by the miners who are responsible for maintaining and extending the underlying blockchain; in particular, miners who successfully solve a puzzle, and hence can extend the chain by a block, a…