DID Method
The scheme that defines how a specific type of DID is created, resolved, updated, and deactivated, named in the identifier (for example did:web, did:key, did:ion, did:ethr). Ledger-anchored methods use a blockchain; ledgerless methods such as did:web and did:key do not.
Choosing a method is choosing a trust root and an operating cost, and it is the decision most decentralized identity pilots get wrong by defaulting to whatever the vendor ships. did:key is fine for ephemeral test credentials but cannot rotate. did:web is deployable today and understood by auditors but depends on DNS and TLS control. Ledger methods remove that dependency and add infrastructure you now operate or trust someone else to operate.
See also: decentralized identifier, DID document, DID methods compared, decentralized identity vendors
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