Recent years have witnessed significant advancements in cross-chain technology.
However, the field faces two pressing challenges. On the one hand, hacks on cross-chain …

With the continuous development of blockchain technology and economy, blockchain
applications have been well developed in multiple key areas. The demand for …

This paper introduces the notion of timed secret sharing (TSS), which establishes lower and
upper time bounds for secret reconstruction in a threshold secret sharing scheme. Such time …

Blockchain is widely applied in logistics, finance, and agriculture. As single blockchain users
grow, scalability becomes crucial. However, existing works lack a comprehensive summary …

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 …

To address the problem of the low success rate caused by the lack of verification mechanism
of hashed time-locked algorithm in processing blockchain cross-chain transactions, this …

The process of transferring land records (LRs) and ownership between users is facilitated by
a LR transfer system. This system encompasses a series of procedures, including …

Abstract Atomic Cross-Chain Swap (ACCS) is one important topic in cryptocurrency, where
users can securely and trustlessly exchange assets between two different blockchains …

As blockchain technology advances, cross-chain asset transfer has become a critical issue
in achieving interoperability between different blockchain networks. However, existing cross …

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 …