Dogecoin (DOGE)

UTXO-based signing, identical in shape to Bitcoin. Provide the previous transactions for the inputs you spend; the device signs each input by its keyPath. Dogecoin is legacy-only — addresses are base58 P2PKH (prefix D); there is no native SegWit on mainnet.

Field	Value
Family	Bitcoin (UTXO)
coinType	3
keyPath	m/44'/3'/<accountIdx>'/0/0
addressFormat	legacy (P2PKH)
chainId	bip122:1a91e3dace36e2be3bf030a65679fe82/slip44:3

Supported Methods

Method	Supported
getAddress	✓
signTransaction	✓
signMessage	✗
signTypedData	✗

Requirements

Minimum firmware for each method. The two models are on different version lines, so DCENT Biometric Wallet and DCENT X are listed separately (the numbers are not comparable across models). Below this the request returns the firmware-update error (5005) and the bridge prompts to update.

Method	DCENT Biometric Wallet	DCENT X
`getAddress`	`2.3.0` or higher	`1.0.0` or higher
`signTransaction`	`2.3.0` or higher	`1.0.0` or higher

addressFormat

Format	Path	Status
`legacy` (P2PKH, base58 `D…`)	`m/44'/3'/0'/0/0`	Supported
`segwit-native` (P2WPKH)	—	Not on mainnet

info

Dogecoin uses the same input/output payload as Bitcoin — only the chainId, keyPath (coinType 3'), unit (koinu), and address format differ. Use txType: "p2pkh" for both inputs and outputs.

getAddress — account address

Retrieves the Dogecoin account address for a chainId + keyPath. Returns a base58 P2PKH address (prefix D). Call this before building a transaction.

Field	Type	Required	Source	Notes
`chainId`	string	Required	App	CAIP-19; fixed for Dogecoin
`keyPath`	string	Required	App	BIP-44, coinType `3'`
`addressFormat`	enum	Optional	App	Dogecoin supports `legacy` (P2PKH) only

Request

await dcent.getAddress({
  chainId: 'bip122:1a91e3dace36e2be3bf030a65679fe82/slip44:3',
  keyPath: "m/44'/3'/0'/0/0"
})

Response

Field	Type	Notes
`body.parameter.address`	string	The Dogecoin account address — base58 P2PKH, prefix `D`
`body.command`	string	`getAddress`
`header.status`	string	`success` on completion

{
  "header": {
    "version": "1.0",
    "status": "success"
  },
  "body": {
    "command": "getAddress",
    "parameter": {
      "address": "D…"
    }
  }
}

signTransaction

payload.transaction:

{
  "inputs": [
    {
      "rawTransaction": "<prev tx hex>",
      "index": 0,
      "txType": "p2pkh",
      "keyPath": "m/44'/3'/0'/0/0",
      "sequence": 4294967295
    }
  ],
  "outputs": [
    {
      "txType": "p2pkh",
      "amount": "100000",
      "addresses": [
        "D…"
      ]
    }
  ]
}

Field	Type	Required	Source	Unit	Notes
`inputs[].rawTransaction`	hex	Required-Real	Wallet	—	Full prev-tx hex of the UTXO; must be device-owned
`inputs[].index`	number	Required	App	—	UTXO output index
`inputs[].txType`	enum	Required	App	—	`p2pkh` (Dogecoin is legacy-only)
`inputs[].keyPath`	string	Required-Real	Wallet	—	Path that signs this input (coinType `3'`)
`inputs[].sequence`	number	Optional	App	—	Defaults to `4294967295`
`outputs[].txType`	enum	Required	App	—	`p2pkh`
`outputs[].amount`	string	Required	App	koinu	Output value (1 DOGE = 1e8 koinu)
`outputs[].addresses`	string[]	Required-Real	App	—	base58 `D…`. Only `addresses[0]` is used, and exactly one non-change output is allowed — more than one destination is rejected with `param_error`. Use a second output with `txType: 'change'` for change.

Request

await dcent.sign({
  method: 'signTransaction',
  chainId: 'bip122:1a91e3dace36e2be3bf030a65679fe82/slip44:3',
  payload: {
    keyPath: "m/44'/3'/0'/0/0",
    transaction: {
      inputs: [
        {
          rawTransaction: '<prev tx hex>',
          index: 0,
          txType: 'p2pkh',
          keyPath: "m/44'/3'/0'/0/0",
          sequence: 4294967295
        }
      ],
      outputs: [
        {
          txType: 'p2pkh',
          amount: '100000',
          addresses: [
            'D…'
          ]
        }
      ]
    }
  }
})

Response

Field	Type	Notes
`body.parameter.signature`	hex	Broadcast-ready serialized signed transaction — the full Dogecoin raw tx hex, not a bare signature. Submit directly to a Dogecoin node (`sendrawtransaction`).
`body.command`	string	`signTransaction`
`header.status`	string	`success` on completion

{
  "header": {
    "status": "success"
  },
  "body": {
    "command": "signTransaction",
    "parameter": {
      "signature": "<signed raw tx hex>"
    }
  }
}

Variant — multi-step builder

As an alternative to the single-call form, the Bitcoin-family stateful builder is available (same API, Dogecoin keyPath / values):

const tx = dcent.getBitcoinTransactionObject()
dcent.addBitcoinTransactionInput(tx, prevTxHex, utxoIndex, 'p2pkh', "m/44'/3'/0'/0/0")
dcent.addBitcoinTransactionOutput(tx, 'p2pkh', 100000, 'D…')
// then sign

Common Mistakes

danger

Wrong coinType in keyPath — Dogecoin uses m/44'/3', not Bitcoin's m/44'/0'. Using a SegWit / bech32 address — Dogecoin has no native SegWit on mainnet; recipients are base58 P2PKH (prefix D) with txType: "p2pkh". Missing change output — unspent input value becomes miner fee. Amounts not in koinu — 1 DOGE = 1e8 koinu.

Supported Methods​

Requirements​

addressFormat​

getAddress — account address​

signTransaction​

Variant — multi-step builder​

Common Mistakes​