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neuron-tai/docs/adr/0002-dual-token-payment-model.md
Dobromir Popov 2f1f9717be tasks
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Dual token payment model: own token for nodes, SOL/USDC for clients

Clients pay in SOL or USDC — familiar, easy to buy, no new token required. Node operators stake and earn our native Solana L2 token, which creates speculative upside for early contributors and a staking mechanism for fraud prevention (slashing). The two are decoupled: client payments are auto-converted to partially fund token rewards; clients never need to hold or know about our token.

Using SOL alone would give node operators no early-adopter upside ("why run my GPU for market-rate SOL?"), killing the viral growth mechanic. Launching a token-only system requires clients to acquire our token, adding friction that kills adoption. The dual model solves both.

Considered Options

  • SOL only: simplest, no token launch risk, but no node incentive beyond spot market rates
  • Own token only: maximum node incentive, but clients must acquire it — high friction
  • Own token (stake/rewards) + SOL/USDC (client pay): clean separation of concerns, chosen