World Money Earn

Case summary

What happened

World App 3.0 introduced Vault in October 2024. In April 2025, World added a Morpho Mini App that exposed Morpho lending, borrowing and vault rewards on World Chain. In September 2026, World Money replaced the legacy WLD and USDC Vaults with Earn. Current World documentation says Earn supports assets including WLD, USDC, wETH and wBTC and uses Morpho to source on-chain lending rates. The legacy USDC Dollar Vault used a different mechanism: USDC was converted into sDAI and yield followed the Sky Protocol Dai Savings Rate. Legacy balances remain on-chain until moved, and users can move them either into Earn or back to spending.

Customer result

Customer outcome

Not applicable

This is a product/provider migration rather than a verified insolvency, customer-loss or claims event. Legacy Vault balances remain on-chain until users move them; CYA does not infer a recovery percentage or universal customer outcome.

Estimated recovery: Unknown
Repayment started: —
Repayment completed: —
Confidence: High

Asset treatment

Terms risk

Varies by product

The historical USDC Dollar Vault and current Earn use different mechanisms. The legacy Dollar Vault converted USDC into sDAI and followed the Sky Protocol Dai Savings Rate; current Earn routes supported assets through Morpho-selected on-chain lending protocols. Withdrawal timing can depend on on-chain liquidity and protocol conditions, and product availability varies by region.

Affected product: —
Confidence: High

Source: What is a Dollar Vault?

Known unknowns

Uncertainty

CYA does not infer that the historical WLD Vault used the same Sky/sDAI mechanism as the USDC Dollar Vault. Earn availability varies by region, withdrawal timing depends on on-chain liquidity and protocol conditions, and no universal APY, principal guarantee or customer outcome is inferred.

Chronology

Historical record

2024-10-17

yield program startedMedium impact1 sources

World App 3.0 introduces Vault

World announced World App 3.0 with a Vault feature that let users earn rewards on assets held through the app.

The launch establishes the user-facing Vault era. It does not prove that every Vault asset used one identical yield mechanism.

World — Introducing World App 3.0: A super app for humans

2025-04-30

OtherHigh impact1 sources

Morpho Mini App brings lending and vault rewards into World App

World launched a Morpho Mini App for World App, giving users access to Morpho-powered lending, borrowing and vault rewards on World Chain.

Morpho is modeled separately as cya_plat_000140. This event records the historically significant World-side distribution/access layer.

World — Morpho Mini App for World App brings DeFi lending, borrowing and rewards to 25 million users

2026-09-17

OtherHigh impact4 sources

Earn replaces the WLD and USDC Vaults in World Money

World documented that Earn replaced the legacy WLD and USDC Vaults. Legacy users can move balances into Earn or back to spending, while current Earn uses Morpho-selected on-chain lending protocols.

This is a product/mechanism migration, not a platform failure. The legacy USDC Dollar Vault used Sky/sDAI; CYA does not generalize that mechanism to the historical WLD Vault.

World Help Center — How do I use Earn?World Help Center — What is a Dollar Vault?World Help Center — What is Worldcoin Vault?World — Introducing World Money: a financial super app for humans

Source record

Evidence dossier

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