A “two-way” flow lets two parties each contribute a compatible half to a single block so an exchange or payment can clear atomically in the present-facing design — without a smart-contract runtime as you would on some other chains. The details are protocol- and product-specific; treat this page as a map, not a legal guarantee of a particular use case.
When it applies
Scenarios that need both sides to sign before either side’s funds move are the main motivation. Wallets and SDKs hide most of the wiring.
Related
- Transactions
- 2Way.js tutorials (reference client naming; a Lineage-branded client may use different names)
- Transaction API (mempool)