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10/26/2022
Accountable Safety for Rollups
Accountability, the ability to provably identify protocol violators, gai...
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07/15/2021
Shard Scheduler: object placement and migration in sharded account-based blockchains
We propose Shard Scheduler, a system for object placement and migration ...
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05/22/2019
LazyLedger: A Distributed Data Availability Ledger With Client-Side Smart Contracts
We propose LazyLedger, a design for distributed ledgers where the blockc...
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05/08/2019
Proof-of-Prestige: A Useful Work Reward System for Unverifiable Tasks
As cryptographic tokens and altcoins are increasingly being built to ser...
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01/31/2019
Replay Attacks and Defenses against Cross-shard Consensus in Sharded Distributed Ledgers
We present the first replay attacks against sharded distributed ledgers....
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09/24/2018
Fraud Proofs: Maximising Light Client Security and Scaling Blockchains with Dishonest Majorities
Light clients, also known as Simple Payment Verification (SPV) clients, ...
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05/16/2018
Airtnt: Fair Exchange Payment for Outsourced Secure Enclave Computations
We present Airtnt, a novel scheme that enables users with CPUs that supp...
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05/12/2018
VAMS: Verifiable Auditing of Access to Confidential Data
The sharing of personal data has the potential to bring substantial bene...
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02/20/2018
Coconut: Threshold Issuance Selective Disclosure Credentials with Applications to Distributed Ledgers
We present Coconut, a novel selective disclosure credential scheme suppo...
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12/22/2017
Contour: A Practical System for Binary Transparency
Transparency is crucial in security-critical applications that rely on a...
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11/10/2017