diff --git a/src/identities/identities.js b/src/identities/identities.js
index 768b6f1..5a07718 100644
--- a/src/identities/identities.js
+++ b/src/identities/identities.js
@@ -44,6 +44,7 @@ const Identities = async ({ keystore, identityKeysPath, storage, ipfs } = {}) =>
       id: idSignature,
       publicKey: publicKeyAndIdSignature
     }
+
     const identity = await Identity({ id, publicKey, signatures, type, sign, verify })
 
     await storage.put(identity.hash, identity.bytes)
@@ -57,8 +58,8 @@ const Identities = async ({ keystore, identityKeysPath, storage, ipfs } = {}) =>
     }
 
     const { id, publicKey, signatures } = identity
-    const idSignatureVerified = await KeyStore.verify(signatures.id, publicKey, id)
 
+    const idSignatureVerified = await KeyStore.verify(signatures.id, publicKey, id)
     if (!idSignatureVerified) {
       return false
     }
@@ -69,8 +70,8 @@ const Identities = async ({ keystore, identityKeysPath, storage, ipfs } = {}) =>
     }
 
     const Provider = getProviderFor(identity.type)
-    const identityVerified = await Provider.verifyIdentity(identity)
 
+    const identityVerified = await Provider.verifyIdentity(identity)
     if (identityVerified) {
       await verifiedIdentitiesCache.put(signatures.id, identity)
     }
diff --git a/src/identities/identity.js b/src/identities/identity.js
index 098ed72..6f521b8 100644
--- a/src/identities/identity.js
+++ b/src/identities/identity.js
@@ -9,29 +9,12 @@ const hasher = sha256
 const hashStringEncoding = base58btc
 
 const Identity = async ({ id, publicKey, signatures, type, sign, verify } = {}) => {
-  if (!isDefined(id)) {
-    throw new Error('Identity id is required')
-  }
-
-  if (!isDefined(publicKey)) {
-    throw new Error('Invalid public key')
-  }
-
-  if (!isDefined(signatures)) {
-    throw new Error('Signatures is required')
-  }
-
-  if (!isDefined(signatures.id)) {
-    throw new Error('Signature of the id is required')
-  }
-
-  if (!isDefined(signatures.publicKey)) {
-    throw new Error('Signature of (publicKey + idSignature) is required')
-  }
-
-  if (!isDefined(type)) {
-    throw new Error('Identity type is required')
-  }
+  if (!isDefined(id)) throw new Error('Identity id is required')
+  if (!isDefined(publicKey)) throw new Error('Invalid public key')
+  if (!isDefined(signatures)) throw new Error('Signatures object is required')
+  if (!isDefined(signatures.id)) throw new Error('Signature of id is required')
+  if (!isDefined(signatures.publicKey)) throw new Error('Signature of publicKey+id is required')
+  if (!isDefined(type)) throw new Error('Identity type is required')
 
   signatures = Object.assign({}, signatures)
 
diff --git a/src/identities/providers/did.js b/src/identities/providers/did.js
index 9c77736..ce266bc 100644
--- a/src/identities/providers/did.js
+++ b/src/identities/providers/did.js
@@ -2,32 +2,39 @@ import IdentityProvider from './interface.js'
 import * as u8a from 'uint8arrays'
 import { DID } from 'dids'
 
-const TYPE = 'DID'
+const type = 'DID'
 
 class DIDIdentityProvider extends IdentityProvider {
   constructor ({ didProvider }) {
     super()
+
+    if (!didProvider) {
+      throw new Error('DIDIdentityProvider requires a didProvider parameter')
+    }
+
     this.did = new DID({
       resolver: DIDIdentityProvider.did._resolver,
       provider: didProvider
     })
   }
 
-  static get type () {
-    return TYPE
-  }
+  static get type () { return type }
 
-  async getId ({ space }) {
-    if (!this.did.authenticated) await this.did.authenticate()
+  async getId () {
+    if (!this.did.authenticated) {
+      await this.did.authenticate()
+    }
     return this.did.id
   }
 
-  async signIdentity (data, { space }) {
-    if (!this.did.authenticated) await this.did.authenticate()
+  async signIdentity (data) {
+    if (!this.did.authenticated) {
+      await this.did.authenticate()
+    }
     const payload = u8a.toString(u8a.fromString(data, 'base16'), 'base64url')
-    const jws = await this.did.createJWS(payload)
+    const { signatures } = await this.did.createJWS(payload)
     // encode as JWS with detached payload
-    return `${jws.signatures[0].protected}..${jws.signatures[0].signature}`
+    return `${signatures[0].protected}..${signatures[0].signature}`
   }
 
   static setDIDResolver (resolver) {
@@ -42,15 +49,19 @@ class DIDIdentityProvider extends IdentityProvider {
     if (!this.did) {
       throw new Error('The DID resolver must first be set with setDIDResolver()')
     }
-    const data = identity.publicKey + identity.signatures.id
+
+    const { publicKey, signatures } = identity
+    const data = publicKey + signatures.id
+
     try {
       const payload = u8a.toString(u8a.fromString(data, 'base16'), 'base64url')
-      const [header, signature] = identity.signatures.publicKey.split('..')
+      const [header, signature] = signatures.publicKey.split('..')
       const jws = [header, payload, signature].join('.')
       await this.did.verifyJWS(jws)
     } catch (e) {
       return false
     }
+
     return true
   }
 }
diff --git a/src/identities/providers/ethereum.js b/src/identities/providers/ethereum.js
index bfdb791..afb22b4 100644
--- a/src/identities/providers/ethereum.js
+++ b/src/identities/providers/ethereum.js
@@ -1,11 +1,12 @@
 import IdentityProvider from './interface.js'
 import { Wallet, verifyMessage } from '@ethersproject/wallet'
+
 const type = 'ethereum'
 
 class EthIdentityProvider extends IdentityProvider {
-  constructor (options = {}) {
+  constructor ({ wallet } = {}) {
     super()
-    this.wallet = options.wallet
+    this.wallet = wallet
   }
 
   // Returns the type of the identity provider
@@ -20,16 +21,22 @@ class EthIdentityProvider extends IdentityProvider {
   }
 
   // Returns a signature of pubkeysignature
-  async signIdentity (data, options = {}) {
+  async signIdentity (data) {
     const wallet = this.wallet
-    if (!wallet) { throw new Error('wallet is required') }
+
+    if (!wallet) {
+      throw new Error('wallet is required')
+    }
 
     return wallet.signMessage(data)
   }
 
   static async verifyIdentity (identity) {
     // Verify that identity was signed by the id
-    const signerAddress = verifyMessage(identity.publicKey + identity.signatures.id, identity.signatures.publicKey)
+    const signerAddress = verifyMessage(
+      identity.publicKey + identity.signatures.id,
+      identity.signatures.publicKey
+    )
     return (signerAddress === identity.id)
   }
 
@@ -38,17 +45,24 @@ class EthIdentityProvider extends IdentityProvider {
       if (!options.mnemonicOpts.mnemonic) {
         throw new Error('mnemonic is required')
       }
-      return Wallet.fromMnemonic(options.mnemonicOpts.mnemonic, options.mnemonicOpts.path, options.mnemonicOpts.wordlist)
+
+      const { mnemonic, path, wordlist } = options.mnemonicOpts
+      return Wallet.fromMnemonic(mnemonic, path, wordlist)
     }
+
     if (options.encryptedJsonOpts) {
       if (!options.encryptedJsonOpts.json) {
         throw new Error('encrypted json is required')
       }
+
       if (!options.encryptedJsonOpts.password) {
         throw new Error('password for encrypted json is required')
       }
-      return Wallet.fromEncryptedJson(options.encryptedJsonOpts.json, options.encryptedJsonOpts.password, options.encryptedJsonOpts.progressCallback)
+
+      const { json, password, progressCallback } = options.encryptedJsonOpts
+      return Wallet.fromEncryptedJson(json, password, progressCallback)
     }
+
     return Wallet.createRandom()
   }
 }
diff --git a/src/identities/providers/interface.js b/src/identities/providers/interface.js
index 44a76a9..a524f16 100644
--- a/src/identities/providers/interface.js
+++ b/src/identities/providers/interface.js
@@ -14,7 +14,7 @@ class IdentityProvider {
   }
 
   /*
-    Return the type for this identity-procider
+    Return the type for this identity-proider
     NOTE! This is the only property of the interface that
     shouldn't be overridden in the inherited IdentityProvider
   */
diff --git a/src/identities/providers/orbitdb.js b/src/identities/providers/orbitdb.js
index ff55605..3664638 100644
--- a/src/identities/providers/orbitdb.js
+++ b/src/identities/providers/orbitdb.js
@@ -1,37 +1,36 @@
 import IdentityProvider from './interface.js'
 import KeyStore from '../../key-store.js'
+
 const type = 'orbitdb'
 
 class OrbitDBIdentityProvider extends IdentityProvider {
   constructor ({ keystore }) {
     super()
+
     if (!keystore) {
-      throw new Error('OrbitDBIdentityProvider requires a keystore')
+      throw new Error('OrbitDBIdentityProvider requires a keystore parameter')
     }
+
     this._keystore = keystore
   }
 
   // Returns the type of the identity provider
   static get type () { return type }
 
-  async getId (options = {}) {
-    const id = options.id
+  async getId ({ id } = {}) {
     if (!id) {
       throw new Error('id is required')
     }
-
-    const keystore = this._keystore
-    const key = await keystore.getKey(id) || await keystore.createKey(id)
+    const key = await this._keystore.getKey(id) || await this._keystore.createKey(id)
     return Buffer.from(key.public.marshal()).toString('hex')
   }
 
-  async signIdentity (data, options = {}) {
-    const id = options.id
+  async signIdentity (data, { id } = {}) {
     if (!id) {
       throw new Error('id is required')
     }
-    const keystore = this._keystore
-    const key = await keystore.getKey(id)
+
+    const key = await this._keystore.getKey(id)
     if (!key) {
       throw new Error(`Signing key for '${id}' not found`)
     }
@@ -40,12 +39,9 @@ class OrbitDBIdentityProvider extends IdentityProvider {
   }
 
   static async verifyIdentity (identity) {
+    const { id, publicKey, signatures } = identity
     // Verify that identity was signed by the ID
-    return KeyStore.verify(
-      identity.signatures.publicKey,
-      identity.id,
-      identity.publicKey + identity.signatures.id
-    )
+    return KeyStore.verify(signatures.publicKey, id, publicKey + signatures.id)
   }
 }
 
diff --git a/src/oplog/entry.js b/src/oplog/entry.js
index 8616303..1b22ee8 100644
--- a/src/oplog/entry.js
+++ b/src/oplog/entry.js
@@ -7,7 +7,7 @@ import { isDefined } from '../utils/index.js'
 
 /*
  * @description
- * An ipfs-log entry
+ * A Log entry
  */
 
 const codec = dagCbor
diff --git a/test/identities/identity.test.js b/test/identities/identity.test.js
index 6e93994..6724dbe 100644
--- a/test/identities/identity.test.js
+++ b/test/identities/identity.test.js
@@ -71,7 +71,7 @@ describe('Identity', function () {
       } catch (e) {
         err = e.toString()
       }
-      assert.strictEqual(err, 'Error: Signatures is required')
+      assert.strictEqual(err, 'Error: Signatures object is required')
     })
 
     it('throws and error if signature for id was not given in constructor', async () => {
@@ -81,7 +81,7 @@ describe('Identity', function () {
       } catch (e) {
         err = e.toString()
       }
-      assert.strictEqual(err, 'Error: Signature of the id is required')
+      assert.strictEqual(err, 'Error: Signature of id is required')
     })
 
     it('throws and error if signature for publicKey was not given in constructor', async () => {
@@ -91,7 +91,7 @@ describe('Identity', function () {
       } catch (e) {
         err = e.toString()
       }
-      assert.strictEqual(err, 'Error: Signature of (publicKey + idSignature) is required')
+      assert.strictEqual(err, 'Error: Signature of publicKey+id is required')
     })
 
     it('throws and error if signature for publicKey was not given in constructor', async () => {
@@ -101,7 +101,7 @@ describe('Identity', function () {
       } catch (e) {
         err = e.toString()
       }
-      assert.strictEqual(err, 'Error: Signature of the id is required')
+      assert.strictEqual(err, 'Error: Signature of id is required')
     })
 
     // it('throws and error if identity provider was not given in constructor', async () => {