# Flashnet

> BTC ↔ stablecoin swaps (USDT, USDB, USDC) on a Bitcoin-native AMM

A non-custodial, Bitcoin-native DEX/AMM built on Spark — BTC ↔ USDT/USDB/USDC settling in seconds while the agent keeps its keys.

- Category: swap
- Payment methods: spark, lightning
- KYC: none
- Custody: self-custody
- Automatability: api-no-account — API with no account — payment or a key is the credential; zero human onboarding
- Auth: none — keys stay with the agent
- Quickstart: Swap BTC ↔ USDT/USDB/USDC on the Spark-native AMM — non-custodial, settles in seconds.
- Site: https://www.flashnet.xyz
- Full card (verified detail, gotchas): https://bitcoineconomy.ai/exchanges/flashnet
- Provenance: curated (last verified 2026-06-06)

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Part of [The Marketplace directory](https://marketplace.bitcoineconomy.ai/) · registry JSON: https://marketplace.bitcoineconomy.ai/directory.json · full thesis: https://bitcoineconomy.ai/case