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08/22/2023
Colordag: An Incentive-Compatible Blockchain
We present Colordag, a blockchain protocol where following the prescribe...
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08/08/2023
Gorilla: Safe Permissionless Byzantine Consensus
Nakamoto's consensus protocol works in a permissionless model and tolera...
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06/02/2021
Phoenix: A Formally Verified Regenerating Vault
An attacker that gains access to a cryptocurrency user's private keys ca...
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07/10/2020
Efficient MDP Analysis for Selfish-Mining in Blockchains
A proof of work (PoW) blockchain protocol distributes rewards to its par...
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06/22/2020
MAD-HTLC: Because HTLC is Crazy-Cheap to Attack
Smart Contracts and transactions allow users to implement elaborate cons...
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05/11/2020
Multi-Party Timed Commitments
The problem of obtaining secret commitments from multiple parties and re...
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12/16/2019
BDoS: Blockchain Denial of Service
Proof-of-work (PoW) cryptocurrency blockchains like Bitcoin secure vast ...
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11/11/2019
HEB: Hybrid Expenditure Blockchain
The study of Proof of Work (PoW) has culminated with the introduction of...
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11/11/2019
Just Enough Security: Reducing Proof-of-Work Ecological Footprint
Proof-of-work (PoW) mechanisms secure about 80% of the $250B cryptocurre...
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07/07/2019
Ostraka: Secure Blockchain Scaling by Node Sharding
Cryptocurrencies, which promise to become a global means of money transa...
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05/14/2018
The Gap Game
Blockchain-based cryptocurrencies secure a decentralized consensus proto...
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01/11/2018