diff --git a/libs/as-sdk/assembly/index.ts b/libs/as-sdk/assembly/index.ts
index 36cf575..ae3bc03 100644
--- a/libs/as-sdk/assembly/index.ts
+++ b/libs/as-sdk/assembly/index.ts
@@ -1,5 +1,13 @@
 import Process from './process';
+import Tally from './tally';
+
+export {
+  httpFetch,
+  HttpFetchMethod,
+  HttpFetchOptions,
+  HttpResponse,
+} from './http';
 
-export { httpFetch, HttpFetchMethod, HttpFetchOptions, HttpResponse } from './http';
 export { PromiseStatus } from './promise';
-export { Process };
+export { Process, Tally };
+export { RevealBody } from './tally';
diff --git a/libs/as-sdk/assembly/process.ts b/libs/as-sdk/assembly/process.ts
index b54ca88..521e256 100644
--- a/libs/as-sdk/assembly/process.ts
+++ b/libs/as-sdk/assembly/process.ts
@@ -1,3 +1,4 @@
+import { VM_MODE_TALLY, VM_MODE_DR, VM_MODE_ENV_KEY } from './vm-modes';
 import { Process as WasiProcess, CommandLine, Environ } from 'as-wasi/assembly';
 import { execution_result } from './bindings/seda_v1';
 
@@ -39,6 +40,35 @@ export default class Process {
     return result;
   }
 
+  /**
+   * Gets the mode of the VM instance.
+   *
+   * @returns {string} The mode of the VM, either 'dr' or 'tally'.
+   */
+  static getVmMode(): string {
+    const env = Process.envs();
+
+    return env.get(VM_MODE_ENV_KEY);
+  }
+
+  /**
+   * Returns true when the VM instance is in 'tally' mode.
+   *
+   * @returns {boolean}
+   */
+  static isTallyVmMode(): boolean {
+    return Process.getVmMode() === VM_MODE_TALLY;
+  }
+
+  /**
+   * Returns true when the VM instance is in 'dr' mode.
+   *
+   * @returns {boolean}
+   */
+  static isDrVmMode(): boolean {
+    return Process.getVmMode() === VM_MODE_DR;
+  }
+
   /**
    * Exits the process with a message
    * This sets the result of the Data Request execution to the message
diff --git a/libs/as-sdk/assembly/tally.ts b/libs/as-sdk/assembly/tally.ts
new file mode 100644
index 0000000..b0cb4cc
--- /dev/null
+++ b/libs/as-sdk/assembly/tally.ts
@@ -0,0 +1,63 @@
+import { JSON } from "json-as/assembly";
+import Process from "./process";
+
+const REVEALS_ARGUMENT_POSITION = 2;
+const CONSENSUS_ARGUMENT_POSITION = 3;
+
+@json
+export class RevealBody {
+  salt!: u8[];
+  exit_code!: u8;
+  gas_used!: string;
+  reveal!: u8[];
+}
+
+@json
+export class RevealResult {
+  salt!: u8[];
+  exit_code!: u8;
+  gas_used!: string;
+  reveal!: u8[];
+  inConsensus!: u8;
+}
+
+export default class Tally {
+  static getReveals(): RevealResult[] {
+    const encodedReveals = Process.args().at(REVEALS_ARGUMENT_POSITION);
+    const reveals = JSON.parse<RevealBody[]>(encodedReveals);
+
+    const encodedConsensus = Process.args().at(CONSENSUS_ARGUMENT_POSITION);
+    const consensus = JSON.parse<u8[]>(encodedConsensus);
+
+    const revealsAmount = reveals.length;
+    const consensusAmount = consensus.length;
+    if (revealsAmount !== consensusAmount) {
+      throw new Error(
+        `Number of reveals (${revealsAmount}) does not equal number of consensus reports (${consensusAmount}).`
+      );
+    }
+
+    const revealResults: RevealResult[] = [];
+    for (let index = 0; index < reveals.length; index++) {
+      const reveal = reveals[index];
+
+      revealResults.push({
+        exit_code: reveal.exit_code,
+        gas_used: reveal.gas_used,
+        reveal: reveal.reveal,
+        salt: reveal.salt,
+        inConsensus: consensus.at(index),
+      });
+    }
+
+    return revealResults;
+  }
+
+  static getConsensusReveals(): RevealResult[] {
+    const revealResults = Tally.getReveals();
+
+    return revealResults.filter(
+      (revealResult) => revealResult.inConsensus === 0
+    );
+  }
+}
diff --git a/libs/as-sdk/assembly/vm-modes.ts b/libs/as-sdk/assembly/vm-modes.ts
new file mode 100644
index 0000000..a0acf4d
--- /dev/null
+++ b/libs/as-sdk/assembly/vm-modes.ts
@@ -0,0 +1,3 @@
+export const VM_MODE_ENV_KEY = "VM_MODE";
+export const VM_MODE_TALLY = "tally";
+export const VM_MODE_DR = "dr";