did:cow, a proposal for an ID resolution method with most of the convenience of did:plc/did:web and the robustness of a public blockchain
initial
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spec.md
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spec.md
···
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## 3. Method Specific Identifier
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Format: `did:cow:<controller_address>:<initial_wrapped_did>`
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Format: `did:cow:<initial_controller_address>:<initial_wrapped_did>`
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**Parameters:**
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- `controller_address` - Ethereum address (20 bytes, no "0x" prefix)
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- `initial_controller_address` - Ethereum address (20 bytes, no "0x" prefix)
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- `initial_wrapped_did` - UTF-8 encoded DID string
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### 3.1 Example
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```
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controller_address = "8BC101ABF5BcF8b6209FaaAD4D761C1ED14999Be" (20 bytes, no 0x prefix)
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initial_controller_address = "8BC101ABF5BcF8b6209FaaAD4D761C1ED14999Be" (20 bytes, no 0x prefix)
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wrapped_did = "did:web:example.com"
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DID = did:cow:8BC101ABF5BcF8b6209FaaAD4D761C1ED14999Be:web:example.com
···
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### 6.1 Create
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1. Create the wrapped DID
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2. Choose your controller address
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2. Insert `cow:<controller_address>:` after the initial `did`:.
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2. Choose your initial controller address
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2. Insert `cow:<initial_controller_address>:` after the initial `did`:.
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### 6.2 Read (Resolution)
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