diff --git a/yarn-project/aztec-rpc/src/aztec_rpc_server/aztec_rpc_server.ts b/yarn-project/aztec-rpc/src/aztec_rpc_server/aztec_rpc_server.ts
index cd51cd006c27..fe754f7c6521 100644
--- a/yarn-project/aztec-rpc/src/aztec_rpc_server/aztec_rpc_server.ts
+++ b/yarn-project/aztec-rpc/src/aztec_rpc_server/aztec_rpc_server.ts
@@ -68,7 +68,7 @@ export class AztecRPCServer implements AztecRPC {
   private contractDataOracle: ContractDataOracle;
   private simulator: AcirSimulator;
   private log: DebugLogger;
-  private clientInfo: string;
+  private sandboxVersion: string;
 
   constructor(
     private keyStore: KeyStore,
@@ -82,8 +82,7 @@ export class AztecRPCServer implements AztecRPC {
     this.contractDataOracle = new ContractDataOracle(db, node);
     this.simulator = getAcirSimulator(db, node, node, node, keyStore, this.contractDataOracle);
 
-    const { version, name } = getPackageInfo();
-    this.clientInfo = `${name.split('/')[name.split('/').length - 1]}@${version}`;
+    this.sandboxVersion = getPackageInfo().version;
   }
 
   /**
@@ -94,7 +93,7 @@ export class AztecRPCServer implements AztecRPC {
   public async start() {
     await this.synchroniser.start(INITIAL_L2_BLOCK_NUM, 1, this.config.l2BlockPollingIntervalMS);
     const info = await this.getNodeInfo();
-    this.log.info(`Started RPC server connected to chain ${info.chainId} version ${info.version}`);
+    this.log.info(`Started RPC server connected to chain ${info.chainId} version ${info.protocolVersion}`);
   }
 
   /**
@@ -345,11 +344,11 @@ export class AztecRPCServer implements AztecRPC {
     ]);
 
     return {
-      version,
+      sandboxVersion: this.sandboxVersion,
+      compatibleNargoVersion: NoirVersion.tag,
       chainId,
+      protocolVersion: version,
       rollupAddress,
-      client: this.clientInfo,
-      compatibleNargoVersion: NoirVersion.tag,
     };
   }
 
diff --git a/yarn-project/aztec-rpc/src/aztec_rpc_server/test/aztec_rpc_test_suite.ts b/yarn-project/aztec-rpc/src/aztec_rpc_server/test/aztec_rpc_test_suite.ts
index 1ebf9aea8af7..79f68176cb02 100644
--- a/yarn-project/aztec-rpc/src/aztec_rpc_server/test/aztec_rpc_test_suite.ts
+++ b/yarn-project/aztec-rpc/src/aztec_rpc_server/test/aztec_rpc_test_suite.ts
@@ -133,7 +133,7 @@ export const aztecRpcTestSuite = (testName: string, aztecRpcSetup: () => Promise
 
     it('successfully gets node info', async () => {
       const nodeInfo = await rpc.getNodeInfo();
-      expect(typeof nodeInfo.version).toEqual('number');
+      expect(typeof nodeInfo.protocolVersion).toEqual('number');
       expect(typeof nodeInfo.chainId).toEqual('number');
       expect(nodeInfo.rollupAddress.toString()).toMatch(/0x[a-fA-F0-9]+/);
     });
diff --git a/yarn-project/aztec.js/src/account/defaults/default_interface.ts b/yarn-project/aztec.js/src/account/defaults/default_interface.ts
index 515216ba3266..f59bbdf7daef 100644
--- a/yarn-project/aztec.js/src/account/defaults/default_interface.ts
+++ b/yarn-project/aztec.js/src/account/defaults/default_interface.ts
@@ -14,13 +14,13 @@ export class DefaultAccountInterface implements AccountInterface {
   constructor(
     private authWitnessProvider: AuthWitnessProvider,
     private address: CompleteAddress,
-    nodeInfo: Pick<NodeInfo, 'chainId' | 'version'>,
+    nodeInfo: Pick<NodeInfo, 'chainId' | 'protocolVersion'>,
   ) {
     this.entrypoint = new DefaultAccountEntrypoint(
       address.address,
       authWitnessProvider,
       nodeInfo.chainId,
-      nodeInfo.version,
+      nodeInfo.protocolVersion,
     );
   }
 
diff --git a/yarn-project/aztec.js/src/contract/contract.test.ts b/yarn-project/aztec.js/src/contract/contract.test.ts
index 8c450c7429c0..1df16e7de1f8 100644
--- a/yarn-project/aztec.js/src/contract/contract.test.ts
+++ b/yarn-project/aztec.js/src/contract/contract.test.ts
@@ -29,11 +29,11 @@ describe('Contract Class', () => {
   const mockTxReceipt = { type: 'TxReceipt' } as any as TxReceipt;
   const mockViewResultValue = 1;
   const mockNodeInfo: NodeInfo = {
-    version: 1,
+    sandboxVersion: 'vx.x.x',
+    compatibleNargoVersion: 'vx.x.x-aztec.x',
+    protocolVersion: 1,
     chainId: 2,
     rollupAddress: EthAddress.random(),
-    client: '',
-    compatibleNargoVersion: 'vx.x.x-aztec.x',
   };
 
   const defaultAbi: ContractAbi = {
diff --git a/yarn-project/aztec.js/src/contract_deployer/deploy_method.ts b/yarn-project/aztec.js/src/contract_deployer/deploy_method.ts
index 34ad5bf71d4c..9e80b8d45a02 100644
--- a/yarn-project/aztec.js/src/contract_deployer/deploy_method.ts
+++ b/yarn-project/aztec.js/src/contract_deployer/deploy_method.ts
@@ -60,7 +60,7 @@ export class DeployMethod<TContract extends ContractBase = Contract> extends Bas
     const portalContract = options.portalContract ?? EthAddress.ZERO;
     const contractAddressSalt = options.contractAddressSalt ?? Fr.random();
 
-    const { chainId, version } = await this.rpc.getNodeInfo();
+    const { chainId, protocolVersion } = await this.rpc.getNodeInfo();
 
     const { completeAddress, constructorHash, functionTreeRoot } = await getContractDeploymentInfo(
       this.abi,
@@ -77,7 +77,14 @@ export class DeployMethod<TContract extends ContractBase = Contract> extends Bas
       portalContract,
     );
 
-    const txContext = new TxContext(false, false, true, contractDeploymentData, new Fr(chainId), new Fr(version));
+    const txContext = new TxContext(
+      false,
+      false,
+      true,
+      contractDeploymentData,
+      new Fr(chainId),
+      new Fr(protocolVersion),
+    );
     const args = encodeArguments(this.constructorAbi, this.args);
     const functionData = FunctionData.fromAbi(this.constructorAbi);
     const execution = { args, functionData, to: completeAddress.address };
diff --git a/yarn-project/aztec.js/src/wallet/signerless_wallet.ts b/yarn-project/aztec.js/src/wallet/signerless_wallet.ts
index 6f98f8f9498c..6de0eec702e2 100644
--- a/yarn-project/aztec.js/src/wallet/signerless_wallet.ts
+++ b/yarn-project/aztec.js/src/wallet/signerless_wallet.ts
@@ -15,8 +15,8 @@ export class SignerlessWallet extends BaseWallet {
     const [execution] = executions;
     const wasm = await CircuitsWasm.get();
     const packedArguments = await PackedArguments.fromArgs(execution.args, wasm);
-    const { chainId, version } = await this.rpc.getNodeInfo();
-    const txContext = TxContext.empty(chainId, version);
+    const { chainId, protocolVersion } = await this.rpc.getNodeInfo();
+    const txContext = TxContext.empty(chainId, protocolVersion);
     return Promise.resolve(
       new TxExecutionRequest(
         execution.to,
diff --git a/yarn-project/cli/src/client.test.ts b/yarn-project/cli/src/client.test.ts
index d4e6de3fdb94..10a8445acf93 100644
--- a/yarn-project/cli/src/client.test.ts
+++ b/yarn-project/cli/src/client.test.ts
@@ -13,19 +13,19 @@ describe('client', () => {
     });
 
     it('checks versions match', async () => {
-      rpc.getNodeInfo.mockResolvedValue({ client: 'rpc@0.1.0-alpha47' } as NodeInfo);
+      rpc.getNodeInfo.mockResolvedValue({ sandboxVersion: '0.1.0-alpha47' } as NodeInfo);
       await checkServerVersion(rpc, '0.1.0-alpha47');
     });
 
     it('reports mismatch on older rpc version', async () => {
-      rpc.getNodeInfo.mockResolvedValue({ client: 'rpc@0.1.0-alpha47' } as NodeInfo);
+      rpc.getNodeInfo.mockResolvedValue({ sandboxVersion: '0.1.0-alpha47' } as NodeInfo);
       await expect(checkServerVersion(rpc, '0.1.0-alpha48')).rejects.toThrowError(
         /is older than the expected by this CLI/,
       );
     });
 
     it('reports mismatch on newer rpc version', async () => {
-      rpc.getNodeInfo.mockResolvedValue({ client: 'rpc@0.1.0-alpha48' } as NodeInfo);
+      rpc.getNodeInfo.mockResolvedValue({ sandboxVersion: '0.1.0-alpha48' } as NodeInfo);
       await expect(checkServerVersion(rpc, '0.1.0-alpha47')).rejects.toThrowError(
         /is newer than the expected by this CLI/,
       );
diff --git a/yarn-project/cli/src/client.ts b/yarn-project/cli/src/client.ts
index 26dd39a44312..d2a297580a7e 100644
--- a/yarn-project/cli/src/client.ts
+++ b/yarn-project/cli/src/client.ts
@@ -51,25 +51,26 @@ class VersionMismatchError extends Error {}
  */
 export async function checkServerVersion(rpc: AztecRPC, expectedVersionRange: string) {
   const serverName = 'Aztec Sandbox';
-  const { client } = await rpc.getNodeInfo();
-  if (!client) {
+  const { sandboxVersion } = await rpc.getNodeInfo();
+  if (!sandboxVersion) {
     throw new VersionMismatchError(`Couldn't determine ${serverName} version. You may run into issues.`);
   }
-  const version = client.split('@')[1];
-  if (!version || !valid(version)) {
-    throw new VersionMismatchError(`Missing or invalid version identifier for ${serverName} (${version ?? 'empty'}).`);
-  } else if (!satisfies(version, expectedVersionRange)) {
-    if (gtr(version, expectedVersionRange)) {
+  if (!sandboxVersion || !valid(sandboxVersion)) {
+    throw new VersionMismatchError(
+      `Missing or invalid version identifier for ${serverName} (${sandboxVersion ?? 'empty'}).`,
+    );
+  } else if (!satisfies(sandboxVersion, expectedVersionRange)) {
+    if (gtr(sandboxVersion, expectedVersionRange)) {
       throw new VersionMismatchError(
-        `${serverName} is running version ${version} which is newer than the expected by this CLI (${expectedVersionRange}). Consider upgrading your CLI to a newer version.`,
+        `${serverName} is running version ${sandboxVersion} which is newer than the expected by this CLI (${expectedVersionRange}). Consider upgrading your CLI to a newer version.`,
       );
-    } else if (ltr(version, expectedVersionRange)) {
+    } else if (ltr(sandboxVersion, expectedVersionRange)) {
       throw new VersionMismatchError(
-        `${serverName} is running version ${version} which is older than the expected by this CLI (${expectedVersionRange}). Consider upgrading your ${serverName} to a newer version.`,
+        `${serverName} is running version ${sandboxVersion} which is older than the expected by this CLI (${expectedVersionRange}). Consider upgrading your ${serverName} to a newer version.`,
       );
     } else {
       throw new VersionMismatchError(
-        `${serverName} is running version ${version} which does not match the expected by this CLI (${expectedVersionRange}).`,
+        `${serverName} is running version ${sandboxVersion} which does not match the expected by this CLI (${expectedVersionRange}).`,
       );
     }
   }
diff --git a/yarn-project/end-to-end/src/e2e_sandbox_example.test.ts b/yarn-project/end-to-end/src/e2e_sandbox_example.test.ts
index e2258de2ca85..6c0a91ce9b77 100644
--- a/yarn-project/end-to-end/src/e2e_sandbox_example.test.ts
+++ b/yarn-project/end-to-end/src/e2e_sandbox_example.test.ts
@@ -30,7 +30,7 @@ describe('e2e_sandbox_example', () => {
     logger('Aztec Sandbox Info ', nodeInfo);
     // docs:end:setup
 
-    expect(typeof nodeInfo.version).toBe('number');
+    expect(typeof nodeInfo.protocolVersion).toBe('number');
     expect(typeof nodeInfo.chainId).toBe('number');
     expect(typeof nodeInfo.rollupAddress).toBe('object');
 
diff --git a/yarn-project/types/src/interfaces/aztec_rpc.ts b/yarn-project/types/src/interfaces/aztec_rpc.ts
index fbd009689252..775ad61c6e09 100644
--- a/yarn-project/types/src/interfaces/aztec_rpc.ts
+++ b/yarn-project/types/src/interfaces/aztec_rpc.ts
@@ -37,25 +37,25 @@ export interface DeployedContract {
  */
 export type NodeInfo = {
   /**
-   * The version number of the node.
+   * Version as tracked in the aztec-packages repository.
    */
-  version: number;
+  sandboxVersion: string;
   /**
-   * The network's chain id.
+   * The nargo version compatible with this sandbox version
    */
-  chainId: number;
+  compatibleNargoVersion: string;
   /**
-   * The rollup contract address
+   * L1 chain id.
    */
-  rollupAddress: EthAddress;
+  chainId: number;
   /**
-   * Identifier of the client software.
+   * Protocol version.
    */
-  client: string;
+  protocolVersion: number;
   /**
-   * The nargo version compatible with this node.
+   * The rollup contract address
    */
-  compatibleNargoVersion: string;
+  rollupAddress: EthAddress;
 };
 
 /** Provides up to which block has been synced by different components. */