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Shard Scheduler: object placement and migration in sharded account-based blockchains
We propose Shard Scheduler, a system for object placement and migration ...
07/15/2021 ∙ by Michał Król, et al. ∙
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LazyLedger: A Distributed Data Availability Ledger With Client-Side Smart Contracts
We propose LazyLedger, a design for distributed ledgers where the blockc...
05/22/2019 ∙ by Mustafa Al-Bassam, et al. ∙
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Proof-of-Prestige: A Useful Work Reward System for Unverifiable Tasks
As cryptographic tokens and altcoins are increasingly being built to ser...
05/08/2019 ∙ by Michał Król, et al. ∙
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Replay Attacks and Defenses against Cross-shard Consensus in Sharded Distributed Ledgers
We present the first replay attacks against sharded distributed ledgers....
01/31/2019 ∙ by Alberto Sonnino, et al. ∙
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Fraud Proofs: Maximising Light Client Security and Scaling Blockchains with Dishonest Majorities
Light clients, also known as Simple Payment Verification (SPV) clients, ...
09/24/2018 ∙ by Mustafa Al-Bassam, et al. ∙
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Airtnt: Fair Exchange Payment for Outsourced Secure Enclave Computations
We present Airtnt, a novel scheme that enables users with CPUs that supp...
05/16/2018 ∙ by Mustafa Al-Bassam, et al. ∙
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VAMS: Verifiable Auditing of Access to Confidential Data
The sharing of personal data has the potential to bring substantial bene...
05/12/2018 ∙ by Alexander Hicks, et al. ∙
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Coconut: Threshold Issuance Selective Disclosure Credentials with Applications to Distributed Ledgers
We present Coconut, a novel selective disclosure credential scheme suppo...
02/20/2018 ∙ by Alberto Sonnino, et al. ∙
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Contour: A Practical System for Binary Transparency
Transparency is crucial in security-critical applications that rely on a...
12/22/2017 ∙ by Mustafa Al-Bassam, et al. ∙
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Consensus in the Age of Blockchains
The blockchain initially gained traction in 2008 as the technology under...
11/10/2017 ∙ by Shehar Bano, et al. ∙
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