> For the complete documentation index, see [llms.txt](https://metya.gitbook.io/metya/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://metya.gitbook.io/metya/product-and-architecture/contracts-and-events-evm-bsc.md).

# Contracts & events (EVM/BSC)

* MYToken (BEP‑20): mint/burn; transfers.
* StakingV2: stake, levels, yield curve; StakeUpdated(address user, uint256 level, uint256 coef).
* DIDRegistry: DID binding & minimal trails; DIDLinked(address user, bytes32 didHash).
* SocialCard (ERC‑721/1155): tiers & unlocks; CardUpgraded(tokenId, tier).
* MerchantHub: templates/inventory/validation; ActivityAnnounce, RewardIssued.

SettlementAnchor: financial batch anchoring; PaymentAnchored(bytes32 merkleRoot, uint256 netUSD, bytes32 region, uint64 windowId).<br>