diff --git a/package-lock.json b/package-lock.json
index 02c2b0f..d25c6b0 100644
--- a/package-lock.json
+++ b/package-lock.json
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+          "integrity": "sha512-1x8W5OpxPq+T85OUsHRP6BqXeosKmeXRtjoF39STcdf/UWLqUsoehstZKOi0CunhVqHG17AyZgpj20eRVooK6A=="
         },
         "bignumber.js": {
           "version": "9.0.1",
@@ -20081,9 +24882,9 @@
       },
       "dependencies": {
         "@types/node": {
-          "version": "12.20.19",
-          "resolved": "https://registry.npmjs.org/@types/node/-/node-12.20.19.tgz",
-          "integrity": "sha512-niAuZrwrjKck4+XhoCw6AAVQBENHftpXw9F4ryk66fTgYaKQ53R4FI7c9vUGGw5vQis1HKBHDR1gcYI/Bq1xvw=="
+          "version": "12.20.24",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-12.20.24.tgz",
+          "integrity": "sha512-yxDeaQIAJlMav7fH5AQqPH1u8YIuhYJXYBzxaQ4PifsU0GDO38MSdmEDeRlIxrKbC6NbEaaEHDanWb+y30U8SQ=="
         },
         "bn.js": {
           "version": "4.11.8",
@@ -20592,9 +25393,9 @@
       },
       "dependencies": {
         "@types/node": {
-          "version": "12.20.19",
-          "resolved": "https://registry.npmjs.org/@types/node/-/node-12.20.19.tgz",
-          "integrity": "sha512-niAuZrwrjKck4+XhoCw6AAVQBENHftpXw9F4ryk66fTgYaKQ53R4FI7c9vUGGw5vQis1HKBHDR1gcYI/Bq1xvw=="
+          "version": "12.20.24",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-12.20.24.tgz",
+          "integrity": "sha512-yxDeaQIAJlMav7fH5AQqPH1u8YIuhYJXYBzxaQ4PifsU0GDO38MSdmEDeRlIxrKbC6NbEaaEHDanWb+y30U8SQ=="
         },
         "bn.js": {
           "version": "4.11.8",
@@ -20671,12 +25472,11 @@
       }
     },
     "web3-provider-engine": {
-      "version": "16.0.3",
-      "resolved": "https://registry.npmjs.org/web3-provider-engine/-/web3-provider-engine-16.0.3.tgz",
-      "integrity": "sha512-Q3bKhGqLfMTdLvkd4TtkGYJHcoVQ82D1l8jTIwwuJp/sAp7VHnRYb9YJ14SW/69VMWoOhSpPLZV2tWb9V0WJoA==",
+      "version": "16.0.1",
+      "resolved": "https://registry.npmjs.org/web3-provider-engine/-/web3-provider-engine-16.0.1.tgz",
+      "integrity": "sha512-/Eglt2aocXMBiDj7Se/lyZnNDaHBaoJlaUfbP5HkLJQC/HlGbR+3/W+dINirlJDhh7b54DzgykqY7ksaU5QgTg==",
       "dev": true,
       "requires": {
-        "@ethereumjs/tx": "^3.3.0",
         "async": "^2.5.0",
         "backoff": "^2.5.0",
         "clone": "^2.0.0",
@@ -20688,6 +25488,7 @@
         "eth-rpc-errors": "^3.0.0",
         "eth-sig-util": "^1.4.2",
         "ethereumjs-block": "^1.2.2",
+        "ethereumjs-tx": "^1.2.0",
         "ethereumjs-util": "^5.1.5",
         "ethereumjs-vm": "^2.3.4",
         "json-stable-stringify": "^1.0.1",
@@ -20701,12 +25502,12 @@
       },
       "dependencies": {
         "cross-fetch": {
-          "version": "2.2.5",
-          "resolved": "https://registry.npmjs.org/cross-fetch/-/cross-fetch-2.2.5.tgz",
-          "integrity": "sha512-xqYAhQb4NhCJSRym03dwxpP1bYXpK3y7UN83Bo2WFi3x1Zmzn0SL/6xGoPr+gpt4WmNrgCCX3HPysvOwFOW36w==",
+          "version": "2.2.3",
+          "resolved": "https://registry.npmjs.org/cross-fetch/-/cross-fetch-2.2.3.tgz",
+          "integrity": "sha512-PrWWNH3yL2NYIb/7WF/5vFG3DCQiXDOVf8k3ijatbrtnwNuhMWLC7YF7uqf53tbTFDzHIUD8oITw4Bxt8ST3Nw==",
           "dev": true,
           "requires": {
-            "node-fetch": "2.6.1",
+            "node-fetch": "2.1.2",
             "whatwg-fetch": "2.0.4"
           }
         },
@@ -20734,6 +25535,14 @@
             "eth-rpc-errors": "^3.0.0",
             "json-rpc-engine": "^5.3.0",
             "node-fetch": "^2.6.0"
+          },
+          "dependencies": {
+            "node-fetch": {
+              "version": "2.6.1",
+              "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.1.tgz",
+              "integrity": "sha512-V4aYg89jEoVRxRb2fJdAg8FHvI7cEyYdVAh94HH0UIK8oJxUfkjlDQN9RbMx+bEjP7+ggMiFRprSti032Oipxw==",
+              "dev": true
+            }
           }
         },
         "eth-json-rpc-middleware": {
@@ -20753,6 +25562,24 @@
             "node-fetch": "^2.6.1",
             "pify": "^3.0.0",
             "safe-event-emitter": "^1.0.1"
+          },
+          "dependencies": {
+            "node-fetch": {
+              "version": "2.6.1",
+              "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.1.tgz",
+              "integrity": "sha512-V4aYg89jEoVRxRb2fJdAg8FHvI7cEyYdVAh94HH0UIK8oJxUfkjlDQN9RbMx+bEjP7+ggMiFRprSti032Oipxw==",
+              "dev": true
+            }
+          }
+        },
+        "ethereumjs-tx": {
+          "version": "1.3.7",
+          "resolved": "https://registry.npmjs.org/ethereumjs-tx/-/ethereumjs-tx-1.3.7.tgz",
+          "integrity": "sha512-wvLMxzt1RPhAQ9Yi3/HKZTn0FZYpnsmQdbKYfUUpi4j1SEIcbkd9tndVjcPrufY3V7j2IebOpC00Zp2P/Ay2kA==",
+          "dev": true,
+          "requires": {
+            "ethereum-common": "^0.0.18",
+            "ethereumjs-util": "^5.0.0"
           }
         },
         "ethereumjs-util": {
@@ -20781,9 +25608,9 @@
           }
         },
         "node-fetch": {
-          "version": "2.6.1",
-          "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.1.tgz",
-          "integrity": "sha512-V4aYg89jEoVRxRb2fJdAg8FHvI7cEyYdVAh94HH0UIK8oJxUfkjlDQN9RbMx+bEjP7+ggMiFRprSti032Oipxw==",
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.1.2.tgz",
+          "integrity": "sha1-q4hOjn5X44qUR1POxwb3iNF2i7U=",
           "dev": true
         },
         "pify": {
@@ -20799,9 +25626,9 @@
           "dev": true
         },
         "ws": {
-          "version": "5.2.3",
-          "resolved": "https://registry.npmjs.org/ws/-/ws-5.2.3.tgz",
-          "integrity": "sha512-jZArVERrMsKUatIdnLzqvcfydI85dvd/Fp1u/VOpfdDWQ4c9qWXe+VIeAbQ5FrDwciAkr+lzofXLz3Kuf26AOA==",
+          "version": "5.2.2",
+          "resolved": "https://registry.npmjs.org/ws/-/ws-5.2.2.tgz",
+          "integrity": "sha512-jaHFD6PFv6UgoIVda6qZllptQsMlDEJkTQcybzzXDYM1XO9Y8em691FGMPmM46WGyLU4z9KMgQN+qrux/nhlHA==",
           "dev": true,
           "requires": {
             "async-limiter": "~1.0.0"
@@ -20850,9 +25677,9 @@
       }
     },
     "web3-utils": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.5.0.tgz",
-      "integrity": "sha512-hNyw7Oxi6TM3ivXmv4hK5Cvyi9ML3UoKtcCYvLF9woPWh5v2dwCCVO1U3Iq5HHK7Dqq28t1d4CxWHqUfOfAkgg==",
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.3.0.tgz",
+      "integrity": "sha512-2mS5axFCbkhicmoDRuJeuo0TVGQDgC2sPi/5dblfVC+PMtX0efrb8Xlttv/eGkq7X4E83Pds34FH98TP2WOUZA==",
       "requires": {
         "bn.js": "^4.11.9",
         "eth-lib": "0.2.8",
@@ -20860,6 +25687,7 @@
         "ethjs-unit": "0.1.6",
         "number-to-bn": "1.7.0",
         "randombytes": "^2.1.0",
+        "underscore": "1.9.1",
         "utf8": "3.0.0"
       },
       "dependencies": {
@@ -20945,6 +25773,98 @@
         "function-bind": "^1.1.1",
         "has-symbols": "^1.0.1",
         "is-typed-array": "^1.1.3"
+      },
+      "dependencies": {
+        "es-abstract": {
+          "version": "1.18.0",
+          "resolved": "https://registry.npmjs.org/es-abstract/-/es-abstract-1.18.0.tgz",
+          "integrity": "sha512-LJzK7MrQa8TS0ja2w3YNLzUgJCGPdPOV1yVvezjNnS89D+VR08+Szt2mz3YB2Dck/+w5tfIq/RoUAFqJJGM2yw==",
+          "requires": {
+            "call-bind": "^1.0.2",
+            "es-to-primitive": "^1.2.1",
+            "function-bind": "^1.1.1",
+            "get-intrinsic": "^1.1.1",
+            "has": "^1.0.3",
+            "has-symbols": "^1.0.2",
+            "is-callable": "^1.2.3",
+            "is-negative-zero": "^2.0.1",
+            "is-regex": "^1.1.2",
+            "is-string": "^1.0.5",
+            "object-inspect": "^1.9.0",
+            "object-keys": "^1.1.1",
+            "object.assign": "^4.1.2",
+            "string.prototype.trimend": "^1.0.4",
+            "string.prototype.trimstart": "^1.0.4",
+            "unbox-primitive": "^1.0.0"
+          },
+          "dependencies": {
+            "has-symbols": {
+              "version": "1.0.2",
+              "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.2.tgz",
+              "integrity": "sha512-chXa79rL/UC2KlX17jo3vRGz0azaWEx5tGqZg5pO3NUyEJVB17dMruQlzCCOfUvElghKcm5194+BCRvi2Rv/Gw=="
+            }
+          }
+        },
+        "is-callable": {
+          "version": "1.2.3",
+          "resolved": "https://registry.npmjs.org/is-callable/-/is-callable-1.2.3.tgz",
+          "integrity": "sha512-J1DcMe8UYTBSrKezuIUTUwjXsho29693unXM2YhJUTR2txK/eG47bvNa/wipPFmZFgr/N6f1GA66dv0mEyTIyQ=="
+        },
+        "is-negative-zero": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/is-negative-zero/-/is-negative-zero-2.0.1.tgz",
+          "integrity": "sha512-2z6JzQvZRa9A2Y7xC6dQQm4FSTSTNWjKIYYTt4246eMTJmIo0Q+ZyOsU66X8lxK1AbB92dFeglPLrhwpeRKO6w=="
+        },
+        "is-regex": {
+          "version": "1.1.3",
+          "resolved": "https://registry.npmjs.org/is-regex/-/is-regex-1.1.3.tgz",
+          "integrity": "sha512-qSVXFz28HM7y+IWX6vLCsexdlvzT1PJNFSBuaQLQ5o0IEw8UDYW6/2+eCMVyIsbM8CNLX2a/QWmSpyxYEHY7CQ==",
+          "requires": {
+            "call-bind": "^1.0.2",
+            "has-symbols": "^1.0.2"
+          },
+          "dependencies": {
+            "has-symbols": {
+              "version": "1.0.2",
+              "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.2.tgz",
+              "integrity": "sha512-chXa79rL/UC2KlX17jo3vRGz0azaWEx5tGqZg5pO3NUyEJVB17dMruQlzCCOfUvElghKcm5194+BCRvi2Rv/Gw=="
+            }
+          }
+        },
+        "object-inspect": {
+          "version": "1.10.3",
+          "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.10.3.tgz",
+          "integrity": "sha512-e5mCJlSH7poANfC8z8S9s9S2IN5/4Zb3aZ33f5s8YqoazCFzNLloLU8r5VCG+G7WoqLvAAZoVMcy3tp/3X0Plw=="
+        },
+        "object.assign": {
+          "version": "4.1.2",
+          "resolved": "https://registry.npmjs.org/object.assign/-/object.assign-4.1.2.tgz",
+          "integrity": "sha512-ixT2L5THXsApyiUPYKmW+2EHpXXe5Ii3M+f4e+aJFAHao5amFRW6J0OO6c/LU8Be47utCx2GL89hxGB6XSmKuQ==",
+          "requires": {
+            "call-bind": "^1.0.0",
+            "define-properties": "^1.1.3",
+            "has-symbols": "^1.0.1",
+            "object-keys": "^1.1.1"
+          }
+        },
+        "string.prototype.trimend": {
+          "version": "1.0.4",
+          "resolved": "https://registry.npmjs.org/string.prototype.trimend/-/string.prototype.trimend-1.0.4.tgz",
+          "integrity": "sha512-y9xCjw1P23Awk8EvTpcyL2NIr1j7wJ39f+k6lvRnSMz+mz9CGz9NYPelDk42kOz6+ql8xjfK8oYzy3jAP5QU5A==",
+          "requires": {
+            "call-bind": "^1.0.2",
+            "define-properties": "^1.1.3"
+          }
+        },
+        "string.prototype.trimstart": {
+          "version": "1.0.4",
+          "resolved": "https://registry.npmjs.org/string.prototype.trimstart/-/string.prototype.trimstart-1.0.4.tgz",
+          "integrity": "sha512-jh6e984OBfvxS50tdY2nRZnoC5/mLFKOREQfw8t5yytkoUsJRNxvI/E39qu1sD0OtWI3OC0XgKSmcWwziwYuZw==",
+          "requires": {
+            "call-bind": "^1.0.2",
+            "define-properties": "^1.1.3"
+          }
+        }
       }
     },
     "wide-align": {
@@ -21040,11 +25960,11 @@
       }
     },
     "xhr": {
-      "version": "2.6.0",
-      "resolved": "https://registry.npmjs.org/xhr/-/xhr-2.6.0.tgz",
-      "integrity": "sha512-/eCGLb5rxjx5e3mF1A7s+pLlR6CGyqWN91fv1JgER5mVWg1MZmlhBvy9kjcsOdRk8RrIujotWyJamfyrp+WIcA==",
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/xhr/-/xhr-2.5.0.tgz",
+      "integrity": "sha512-4nlO/14t3BNUZRXIXfXe+3N6w3s1KoxcJUUURctd64BLRe67E4gRwp4PjywtDY72fXpZ1y6Ch0VZQRY/gMPzzQ==",
       "requires": {
-        "global": "~4.4.0",
+        "global": "~4.3.0",
         "is-function": "^1.0.1",
         "parse-headers": "^2.0.0",
         "xtend": "^4.0.0"
diff --git a/package.json b/package.json
index d396f9c..ee7273b 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
   },
   "peerDependencies": {
     "web3": "^1.3.6",
-    "web3-eth-contract": "^1.2.11",
+    "web3-eth-contract": "^1.3.6",
     "web3-provider-engine": "^16.0.1"
   },
   "devDependencies": {
diff --git a/src/BitcoinHelpers.js b/src/BitcoinHelpers.js
index d58696a..df2a561 100644
--- a/src/BitcoinHelpers.js
+++ b/src/BitcoinHelpers.js
@@ -461,31 +461,54 @@ const BitcoinHelpers = {
       onReceivedConfirmation
     ) {
       return BitcoinHelpers.withElectrumClient(async electrumClient => {
-        const checkConfirmations = async function() {
-          return BitcoinHelpers.withElectrumClient(async electrumClient => {
-            const { confirmations } = await electrumClient.getTransaction(
-              transactionID
-            )
+        const handleNewBlock = async function() {
+          const confirmations = await BitcoinHelpers.Transaction.checkConfirmations(
+            transactionID,
+            requiredConfirmations
+          )
+
+          if (typeof onReceivedConfirmation === "function" && confirmations) {
+            onReceivedConfirmation({
+              transactionID,
+              confirmations,
+              requiredConfirmations
+            })
+          }
+
+          // Returns number of received confirmations or null if required
+          // confirmations have not been reached so we continue to receive notifications.
+          return confirmations
+        }
+
+        return electrumClient.onNewBlock(handleNewBlock)
+      })
+    },
+    /**
+     * Checks the Bitcoin chain if the given `transactionID` has the given
+     * number of `requiredConfirmations`.
+     *
+     * @param {string} transactionID A hex Bitcoin transaction id hash.
+     * @param {number} requiredConfirmations The number of required
+     *        confirmations.
+     *
+     * @return {Promise<number|null>} A promise to the final number of confirmations
+     *         observed that was at least equal to the required confirmations.
+     *         If the required number of confirmations is not met it will return
+     *         `null`.
+     */
+    checkConfirmations: async function(transactionID, requiredConfirmations) {
+      return BitcoinHelpers.withElectrumClient(async electrumClient => {
+        // TODO: Consider using retry backoff to get transaction.
+        const { confirmations } = await electrumClient.getTransaction(
+          transactionID
+        )
 
-            if (typeof onReceivedConfirmation === "function" && confirmations) {
-              onReceivedConfirmation({
-                transactionID,
-                confirmations,
-                requiredConfirmations
-              })
-            }
-
-            if (confirmations >= requiredConfirmations) {
-              return confirmations
-            }
-
-            // Return null if required confirmations have not been reached so we
-            // continue to receive notifications.
-            return null
-          })
+        if (confirmations >= requiredConfirmations) {
+          return confirmations
         }
 
-        return electrumClient.onNewBlock(checkConfirmations)
+        // Return null if required confirmations have not been reached.
+        return null
       })
     },
     /**
diff --git a/src/Redemption.js b/src/Redemption.js
index 2d70471..6a1d62f 100644
--- a/src/Redemption.js
+++ b/src/Redemption.js
@@ -158,12 +158,18 @@ export default class Redemption {
    * Calling this function more than once will return the existing state of
    * the first auto submission process, rather than restarting the process.
    *
+   * @param {boolean} shouldWaitForConfirmations Determines whether execution
+   *        should block until the redemption transaction is sufficiently confirmed
+   *        on Bitcoin blockchain. If set to false the function will throw an
+   *        error if the transaction does not have enough confirmations to submit
+   *        a proof.
+   *
    * @return {AutoSubmitState} An object with promises to various stages of
    *         the auto-submit lifetime. Each promise can be fulfilled or
    *         rejected, and they are in a sequence where later promises will be
    *         rejected by earlier ones.
    */
-  autoSubmit() {
+  autoSubmit(shouldWaitForConfirmations = true) {
     if (this.autoSubmittingState) {
       return this.autoSubmittingState
     }
@@ -217,21 +223,38 @@ export default class Redemption {
     const confirmations = broadcastTransactionID.then(async transactionID => {
       const requiredConfirmations = await this.deposit.requiredConfirmations
 
-      console.debug(
-        `Waiting for ${requiredConfirmations} confirmations for ` +
-          `Bitcoin transaction ${transactionID}...`
-      )
-      await BitcoinHelpers.Transaction.waitForConfirmations(
-        transactionID,
-        requiredConfirmations,
-        ({ transactionID, confirmations, requiredConfirmations }) => {
-          this.receivedConfirmationEmitter.emit("receivedConfirmation", {
-            transactionID,
-            confirmations,
-            requiredConfirmations
-          })
+      if (shouldWaitForConfirmations) {
+        console.debug(
+          `Waiting for ${requiredConfirmations} confirmations for ` +
+            `Bitcoin transaction ${transactionID}...`
+        )
+        await BitcoinHelpers.Transaction.waitForConfirmations(
+          transactionID,
+          requiredConfirmations,
+          ({ transactionID, confirmations, requiredConfirmations }) => {
+            this.receivedConfirmationEmitter.emit("receivedConfirmation", {
+              transactionID,
+              confirmations,
+              requiredConfirmations
+            })
+          }
+        )
+      } else {
+        console.debug(
+          `Checking ${requiredConfirmations} confirmations for ` +
+            `Bitcoin transaction ${transactionID}...`
+        )
+        const confirmations = await BitcoinHelpers.Transaction.checkConfirmations(
+          transactionID,
+          requiredConfirmations
+        )
+
+        if (!confirmations) {
+          throw new Error(
+            `Transaction ${transactionID} is not yet sufficiently confirmed`
+          )
         }
-      )
+      }
 
       return { transactionID, requiredConfirmations }
     })