Time-lock puzzles from lattices

S Agrawalr, G Malavolta, T Zhang - Annual International Cryptology …, 2024 - Springer
Time-lock puzzles (TLP) are a cryptographic tool that allow one to encrypt a message into
the future, for a predetermined amount of time T. At present, we have only two constructions …

Credible, optimal auctions via blockchains

T Chitra, MVX Ferreira, K Kulkarni - Cryptology ePrint Archive, 2023 - eprint.iacr.org
Akbarpour and Li (2020) formalized credibility as an auction desideratum where the
auctioneer cannot benefit by implementing undetectable deviations from the promised …

ZeroAuction: Zero-Deposit Sealed-Bid Auction via Delayed Execution

H Zhang, M Yeo, V Estrada-Galinanes… - … Conference on Financial …, 2024 - Springer
Auctions, a long-standing method of trading goods and services, are a promising use case
for decentralized finance. However, due to the inherent transparency property of …

" Check-Before-you-Solve": Verifiable Time-lock Puzzles

J Xin, D Papadopoulos - 2025 IEEE Symposium on Security and …, 2024 - computer.org
Time-lock puzzles are cryptographic primitives that guarantee to the\textit {generator} that
the puzzle cannot be solved in less than T sequential computation steps. They have recently …

Foundations of Platform-Assisted Auctions

H Chung, K Wu, E Shi - arXiv preprint arXiv:2501.03141, 2025 - arxiv.org
Today, many auctions are carried out with the help of intermediary platforms like Google and
eBay. We refer to such auctions as platform-assisted auctions. Traditionally, the auction …

Cryptobazaar: Private Sealed-bid Auctions at Scale

A Novakovic, A Kavousi, K Gurkan… - Cryptology ePrint …, 2024 - eprint.iacr.org
This work introduces Cryptobazaar, a novel scalable, private, and decentralized sealed-bid
auction protocol. In particular, our protocol protects the privacy of losing bidders by …

Cicada: A framework for private non-interactive on-chain auctions and voting

N Glaeser, IA Seres, M Zhu, J Bonneau - Cryptology ePrint Archive, 2023 - eprint.iacr.org
Auction and voting schemes play a crucial role in the Web3 ecosystem. Yet currently
deployed implementations either lack privacy or require at least two rounds, hindering …

Sealed-bid Auctions on Blockchain with Timed Commitment Outsourcing

J Li, Y Tang, J Chen, X Deng - arXiv preprint arXiv:2410.10607, 2024 - arxiv.org
Sealed-bid auctions play a crucial role in blockchain ecosystems. Previous works introduced
viable blockchain sealed-bid auction protocols, leveraging timed commitments for bid …

[HTML][HTML] Practical Verifiable Time-Lock Puzzle: Pre-and Post-Solution Verification

Z Wu, H Liu, L Wang - Symmetry, 2024 - mdpi.com
A time-lock puzzle encapsulates a secret message such that the receiver needs to perform a
sequential computation, which takes a specified amount of time, to recover the message …

zk‐STARKs based scheme for sealed auctions in chains

L Wei, L Peili, L Fei - IET Blockchain, 2024 - Wiley Online Library
On‐chain sealed auctions represent a novel approach to electronic bidding auctions,
wherein the introduction of zero‐knowledge proof technology has significantly enhanced the …