Question 1

What is U2U?

Accepted Answer

U2U is the native utility token of U2U Network. U2U Network is a Layer 1 network for enterprises and real-world use cases, which the project uses for DePIN and decentralized applications; the network is EVM-compatible, so smart contracts compatible with the Ethereum Virtual Machine can run in the relevant environment.

Question 2

What practical on-chain uses does U2U have?

Accepted Answer

U2U is the network's gas asset. When initiating a transfer or calling a smart contract, the fee is calculated as the product of the gas limit and gas price: the former limits the maximum computational resources a transaction can consume, while the latter is the price per unit of gas. The whitepaper describes the fee as consisting of a base fee and a priority fee; the base fee is burned, while the priority fee is paid to validators as a tip. Therefore, the actual cost paid depends on transaction settings and the network's fee mechanism.

Question 3

What is the purpose of staking U2U?

Accepted Answer

Holders may run validators themselves or delegate U2U to existing validators to participate in consensus and share rewards according to the rules. Initiating unstaking does not immediately restore transferability: there is currently a 7-day unbonding period. Delegators may also choose to additionally lock staked tokens for 14 to 365 days, with longer lock-up periods corresponding to higher reward rates. Rewards come from a reward pool formed by block rewards and collected transaction fees, while the actual share is also affected by the proportion of the validator's and its delegators' stake among the network's active stake.

Question 4

Can holding U2U allow participation in governance?

Accepted Answer

U2U holders can vote on network proposals, including protocol upgrades, parameter adjustments, and treasury resource allocation. Voting power is related to the amount of U2U held, but the specific amount required to participate and the operating process are determined by the governance mechanism at the time; protocol upgrades or governance decisions may also change the specific conditions for staking, governance, or service access.

Question 5

What is U2U's total supply?

Accepted Answer

The whitepaper states that U2U's genesis-defined total supply is 10 billion tokens, but this does not equal the circulating supply at any given time and cannot by itself describe subsequent supply changes. The network issues U2U to validators and delegators through block rewards; the document describes a base reward of approximately 3.8 U2U per second, or approximately 120 million tokens per year, and this rate may be adjusted through governance. On the other hand, transaction base fees are burned. New rewards, fee burns, lock-ups, and treasury holdings jointly affect the actual supply and circulation status.

Question 6

What is the role of U2U Network subnets?

Accepted Answer

U2U subnets are networks that run in parallel alongside the main Layer 1 and can be customized for specific use cases, such as different DePIN or enterprise workloads. Subnets use the same Helios consensus as the mainnet and are anchored to it, thereby inheriting the mainnet's security and consensus foundation; subnet node operators can also use U2U to pay validation fees and related resource fees between subnets and Layer 1.

Question 7

What can U2U be used for in applications?

Accepted Answer

U2U may be used by ecosystem DApps for service payments, access to specific features, or other in-app uses; subnet nodes may also use it to pay for validation and resource services. However, these uses are not fixed rights automatically obtained simply by holding the token: whether a DApp accepts U2U, how much it charges, and how services are delivered are all determined by the rules of that DApp or smart contract. U2U itself does not provide a mechanism to redeem specific goods or services from the issuer.

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