diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 04e431ca..9733957c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -61,7 +61,7 @@ jobs:
         run: |
           bash -x start_ocean.sh  --no-aquarius --no-elasticsearch --no-provider --no-dashboard 2>&1 > start_ocean.log &
         env:
-          CONTRACTS_VERSION: v1.1.4
+          CONTRACTS_VERSION: v1.1.8
       - run: npm ci
       - name: Wait for contracts deployment
         working-directory: ${{ github.workspace }}/barge
@@ -119,7 +119,7 @@ jobs:
         run: |
           bash -x start_ocean.sh --with-provider2 --no-dashboard --with-c2d 2>&1 > start_ocean.log &
         env:
-          CONTRACTS_VERSION: v1.1.3
+          CONTRACTS_VERSION: v1.1.8
 
       - run: npm ci
       - run: npm run build:metadata
diff --git a/CodeExamples.md b/CodeExamples.md
index 32940c54..c8912bb8 100644
--- a/CodeExamples.md
+++ b/CodeExamples.md
@@ -108,7 +108,8 @@ import {
   amountToUnits,
   ValidateMetadata,
   getEventFromTx,
-  DDO
+  DDO,
+  LoggerInstance
 } from '@oceanprotocol/lib'
 ```
 
@@ -564,6 +565,7 @@ Lets check that the download URL was successfully received
       const fileData = await downloadFile(downloadURL)
       console.log(fileData)
     } catch (e) {
+      LoggerInstance.error('Download failed', e)
       assert.fail('Download failed')
     }
   
diff --git a/src/services/Provider.ts b/src/services/Provider.ts
index 764d6319..a1591f1b 100644
--- a/src/services/Provider.ts
+++ b/src/services/Provider.ts
@@ -100,10 +100,13 @@ export class Provider {
         headers: { 'Content-Type': 'application/json' },
         signal
       })
-      return (await response.json()).nonce.toString()
+      const { nonce } = await response.json()
+      console.log(`[getNonce] Consumer: ${consumerAddress} nonce: ${nonce}`)
+      const sanitizedNonce = !nonce || nonce === null ? '0' : nonce
+      return sanitizedNonce
     } catch (e) {
       LoggerInstance.error(e)
-      throw new Error('HTTP request failed calling Provider')
+      throw new Error(e.message)
     }
   }
 
@@ -487,14 +490,24 @@ export class Provider {
       ? this.getEndpointURL(serviceEndpoints, 'download').urlPath
       : null
     if (!downloadUrl) return null
-    const nonce = Date.now()
+    const consumerAddress = await signer.getAddress()
+    const nonce = (
+      (await this.getNonce(
+        providerUri,
+        consumerAddress,
+        null,
+        providerEndpoints,
+        serviceEndpoints
+      )) + 1
+    ).toString()
+
     const signature = await this.signProviderRequest(signer, did + nonce)
     let consumeUrl = downloadUrl
     consumeUrl += `?fileIndex=${fileIndex}`
     consumeUrl += `&documentId=${did}`
     consumeUrl += `&transferTxId=${transferTxId}`
     consumeUrl += `&serviceId=${serviceId}`
-    consumeUrl += `&consumerAddress=${await signer.getAddress()}`
+    consumeUrl += `&consumerAddress=${consumerAddress}`
     consumeUrl += `&nonce=${nonce}`
     consumeUrl += `&signature=${signature}`
     if (userCustomParameters)
@@ -532,13 +545,23 @@ export class Provider {
       ? this.getEndpointURL(serviceEndpoints, 'computeStart').urlPath
       : null
 
-    const nonce = Date.now()
-    let signatureMessage = await consumer.getAddress()
+    const consumerAddress = await consumer.getAddress()
+    const nonce = (
+      (await this.getNonce(
+        providerUri,
+        consumerAddress,
+        signal,
+        providerEndpoints,
+        serviceEndpoints
+      )) + 1
+    ).toString()
+
+    let signatureMessage = consumerAddress
     signatureMessage += dataset.documentId
     signatureMessage += nonce
     const signature = await this.signProviderRequest(consumer, signatureMessage)
     const payload = Object()
-    payload.consumerAddress = await consumer.getAddress()
+    payload.consumerAddress = consumerAddress
     payload.signature = signature
     payload.nonce = nonce
     payload.environment = computeEnv
@@ -601,13 +624,15 @@ export class Provider {
       ? this.getEndpointURL(serviceEndpoints, 'computeStop').urlPath
       : null
 
-    const nonce = await this.getNonce(
-      providerUri,
-      consumerAddress,
-      signal,
-      providerEndpoints,
-      serviceEndpoints
-    )
+    const nonce = (
+      (await this.getNonce(
+        providerUri,
+        consumerAddress,
+        signal,
+        providerEndpoints,
+        serviceEndpoints
+      )) + 1
+    ).toString()
 
     let signatureMessage = consumerAddress
     signatureMessage += jobId || ''
@@ -737,7 +762,15 @@ export class Provider {
       ? this.getEndpointURL(serviceEndpoints, 'computeResult').urlPath
       : null
 
-    const nonce = Date.now()
+    const nonce = (
+      (await this.getNonce(
+        providerUri,
+        await consumer.getAddress(),
+        null,
+        providerEndpoints,
+        serviceEndpoints
+      )) + 1
+    ).toString()
     let signatureMessage = await consumer.getAddress()
     signatureMessage += jobId
     signatureMessage += index.toString()
@@ -777,13 +810,15 @@ export class Provider {
       ? this.getEndpointURL(serviceEndpoints, 'computeDelete').urlPath
       : null
 
-    const nonce = await this.getNonce(
-      providerUri,
-      await consumer.getAddress(),
-      signal,
-      providerEndpoints,
-      serviceEndpoints
-    )
+    const nonce = (
+      (await this.getNonce(
+        providerUri,
+        await consumer.getAddress(),
+        signal,
+        providerEndpoints,
+        serviceEndpoints
+      )) + 1
+    ).toString()
 
     let signatureMessage = await consumer.getAddress()
     signatureMessage += jobId || ''
diff --git a/test/integration/CodeExamples.test.ts b/test/integration/CodeExamples.test.ts
index 341b3ea0..15979f4d 100644
--- a/test/integration/CodeExamples.test.ts
+++ b/test/integration/CodeExamples.test.ts
@@ -108,7 +108,8 @@ import {
   amountToUnits,
   ValidateMetadata,
   getEventFromTx,
-  DDO
+  DDO,
+  LoggerInstance
 } from '../../src'
 /// ```
 
@@ -564,6 +565,7 @@ describe('Marketplace flow tests', async () => {
       const fileData = await downloadFile(downloadURL)
       console.log(fileData)
     } catch (e) {
+      LoggerInstance.error('Download failed', e)
       assert.fail('Download failed')
     }
   }) ///
diff --git a/test/integration/Provider.test.ts b/test/integration/Provider.test.ts
index b395e0ff..2aa69f2a 100644
--- a/test/integration/Provider.test.ts
+++ b/test/integration/Provider.test.ts
@@ -1,7 +1,7 @@
 import { assert } from 'chai'
 import { getTestConfig, provider } from '../config'
 import { Config, Provider } from '../../src'
-import { ethers, Signer } from 'ethers'
+import { Signer } from 'ethers'
 import { FileInfo } from '../../src/@types'
 
 describe('Provider tests', async () => {
@@ -55,4 +55,12 @@ describe('Provider tests', async () => {
     const computeEnvs = await providerInstance.getComputeEnvironments(config.providerUri)
     assert(computeEnvs, 'No Compute environments found')
   })
+
+  it('Alice tests getNonce', async () => {
+    const nonce = await providerInstance.getNonce(
+      config.providerUri,
+      '0xe2DD09d719Da89e5a3D0F2549c7E24566e947260'
+    )
+    assert(nonce, 'could not get nonce for the sent address')
+  })
 })