Question 1

What is ARPA?

Accepted Answer

ARPA is the utility token used by ARPA Network. ARPA Network is a secure computation network for blockchain cryptography, and the project uses it in contexts requiring verifiable cryptographic results, including verifiable random numbers, wallets, cross-chain bridges, and decentralized custody. The network's focus is not on producing results through a single server, but on having multiple nodes collaborate to complete cryptographic tasks and allowing applications to verify the results. ARPA's specific role should be understood in connection with node participation, staking, and task reward mechanisms.

Question 2

How does ARPA's threshold BLS signature network work?

Accepted Answer

The ARPA BLS-TSS network organizes nodes into multiple groups; nodes within the same group jointly complete one BLS task, namely jointly generating one BLS-TSS signature. Applications thus verify the signature result jointly formed by that node group, rather than a statement made by a single node alone. The practical implication of this design is that task execution is distributed among multiple participants in a group. It is suitable for applications requiring verifiable random numbers or verifiable signature results, but does not mean that every integrated application uses exactly the same business process.

Question 3

What mechanisms must be met to become an ARPA node?

Accepted Answer

Nodes need to participate in the network on the condition that they complete tasks promptly and responsibly. Official documentation lists two entry paths: participating in native staking or becoming a whitelisted EigenLayer operator. Staking and penalty mechanisms serve the same objective: encouraging nodes to respond promptly and accurately. Therefore, having an entry path does not mean receiving rewards unconditionally; whether a node completes tasks as required still affects its participation outcome.

Question 4

How do ARPA nodes receive rewards after completing tasks?

Accepted Answer

Nodes can receive different ARPA rewards when they complete different tasks promptly and responsibly. Official documentation lists: 1 ARPA for each successful submission of a random number result; 1 ARPA for each completed BLS-TSS task; and 60 ARPA for completing a DKG post-processing task during node grouping. These amounts apply to individual tasks of specific types, not to a fixed rate of return, and cannot be used to directly calculate a particular node's actual income over any period; actual income also depends on whether the node receives and successfully completes the relevant tasks.

Question 5

How are community staking delegation rewards distributed and claimed?

Accepted Answer

Under the native staking path, 5% of community staking delegation rewards is distributed equally among all delegated nodes, with a monthly cap of 75,000 ARPA. This reward can be claimed only when a node exits the network. Therefore, “being delegated to” and “being immediately claimable” are two different stages: a node can participate in this distribution, but must wait until it exits the network to meet the claim condition. This rule also applies only to the native staking path and should not be applied to all node entry methods.

Question 6

What is ARPA's maximum supply, and how does it relate to the mainnet launch?

Accepted Answer

ARPA has a maximum supply of 2 billion tokens. When the project announced the ARPA Network mainnet launch on Ethereum in 2023, it stated that this maximum supply cap remained unchanged. Maximum supply is the cap set by the protocol; it is not the amount that has entered the market, is tradable, or is circulating at a given time. Assessing the latter also requires circulation and lock-up information for the relevant time.

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