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Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a...
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Two NMR-active nuclei bonded to a central atom can be involved in geminal or two-bond coupling. Geminal coupling is commonly seen between diastereotopic protons in chiral molecules and unsymmetrical alkenes, among others.
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Multiprotein signaling complexes are formed in a dynamic process involving protein-protein interactions at the cytoplasmic domain of transmembrane receptors or enzymatic and non-enzymatic proteins associated with the receptor. These complexes ensure the activation and propagation of intracellular signals that regulate cell functions.
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The coupling interactions of nuclei across four or more bonds are usually weak, with J values less than 1 Hz. While these are usually not observed in spectra, the presence of multiple bonds along the coupling pathway can result in observable long-range coupling.
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Secure cross-chain interaction solution in multi-blockchain environment.

Lili Cheng1, Zhiying Lv2, Osama Alfarraj3

  • 1Nanjing Second Space Network Technology Co., Ltd, Nanjing, JiangSu, China.

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|April 11, 2024
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Summary
This summary is machine-generated.

This study introduces a decentralized cross-chain interaction method using smart contracts and hash time-locked contracts (HTLCs) to improve blockchain interoperability, security, and efficiency in multi-chain systems.

Keywords:
Blockchain interoperabilityCross-chain transactionData interactionMultichainSecurity

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Area of Science:

  • Blockchain technology
  • Distributed ledger technology
  • Computer science

Background:

  • Blockchain interoperability is crucial for multi-chain systems.
  • Existing cross-chain solutions face security, efficiency, and standardization challenges.
  • These limitations hinder blockchain scalability and seamless communication.

Purpose of the Study:

  • To propose an efficient and secure method for cross-chain interaction in a multi-chain environment.
  • To address limitations of existing cross-chain technologies.
  • To enhance scalability and communication among heterogeneous blockchains.

Main Methods:

  • Utilizes a sidechain model enhanced with smart contracts and hash time-locked contracts (HTLCs).
  • Decentralizes transaction stages (locking, verifying, unlocking) to mitigate third-party risks.
  • Implements a cross-chain data interaction strategy for uploading, verifying, and storing sidechain data on the main chain.

Main Results:

  • Demonstrates enhanced security and efficiency in cross-chain fund transfers.
  • Achieves convenient and efficient cross-chain data sharing.
  • Experimental results show significant improvements in transaction security, efficiency, throughput, and reduced latency compared to existing models.

Conclusions:

  • The proposed decentralized protocol enhances blockchain interoperability by coordinating cross-chain interactions without relying on trusted third parties.
  • The solution effectively reduces centralization risks and improves overall system security.
  • The approach offers practical applicability and scalability for multi-chain frameworks.