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logoARPA Network (ARPA)

A Decentralized and Secure Computation Network.
  • ARPA Network is a decentralized and secure computation network built to improve the fairness, security, and privacy of blockchains. It is rebranded from ARPA Chain.
  • The new ARPA can generate on-chain threshold BLS signatures for a variety of use cases. It can provide a more affordable substitute for existing inefficient and expensive on-chain operations by serving as the infrastructure of many blockchain applications, such as verifiable Random Number Generator (RNG), secure wallet, decentralized asset custody, cross-chain bridge, and more.
  • ARPA is the native token of the project. The current use cases for ARPA include:
  • The project consists of the following major components working in conjunction:
    • Threshold BLS Signature Scheme: it is a protocol that allows for processing signature-related functions. ARPA’s TSS-BLS can generate a decentralized tamper-proof signature. It is flexible for customization to cater to different security levels, and it is adaptable to multiple blockchains.
    • Randcast (and other applications): Randcast is the first application on ARPA Network, a decentralized verifiable RNG. The random number generation task is a signature generation task assigned to the node groups. Other applications built on ARPA can also call for various computation tasks.
  • As of Nov 8th, 2022, the maximum and total token supply of ARPA are 2,000,000,000 and 1,500,000,000 respectively. The current circulating supply is 1,240,000,000 (62% of the max token supply).
  • Learn more about the token distribution of ARPA here.