--- /dev/null
+/**
+ * @typedef {Object} Utxo
+ * @property {String} txId
+ * @property {Number} outputIndex
+ * @property {String} address
+ * @property {String} script
+ * @property {Number} satoshis
+ */
+
+/**
+ * @typedef {Object} InsightUtxo
+ * @property {String} address
+ * @property {String} txid
+ * @property {Number} vout
+ * @property {String} scriptPubKey
+ * @property {Number} amount
+ * @property {Number} satoshis
+ * @property {Number} height
+ * @property {Number} confirmations
+ */