diff --git a/yarn-project/aztec-node/src/aztec-node/config.ts b/yarn-project/aztec-node/src/aztec-node/config.ts
index f630b941e599..58729cbc0e82 100644
--- a/yarn-project/aztec-node/src/aztec-node/config.ts
+++ b/yarn-project/aztec-node/src/aztec-node/config.ts
@@ -29,6 +29,8 @@ export type AztecNodeConfig = ArchiverConfig &
     disableValidator: boolean;
     /** Whether to populate the genesis state with initial fee juice for the test accounts */
     testAccounts: boolean;
+    /** Whether to populate the genesis state with initial fee juice for the sponsored FPC */
+    sponsoredFPC: boolean;
   } & {
     l1Contracts: L1ContractAddresses;
   };
@@ -55,6 +57,11 @@ export const aztecNodeConfigMappings: ConfigMappingsType<AztecNodeConfig> = {
     description: 'Whether to populate the genesis state with initial fee juice for the test accounts.',
     ...booleanConfigHelper(),
   },
+  sponsoredFPC: {
+    env: 'SPONSORED_FPC',
+    description: 'Whether to populate the genesis state with initial fee juice for the sponsored FPC.',
+    ...booleanConfigHelper(false),
+  },
 };
 
 /**
diff --git a/yarn-project/aztec/src/cli/chain_l2_config.ts b/yarn-project/aztec/src/cli/chain_l2_config.ts
index 233efb871c30..ebb15184140f 100644
--- a/yarn-project/aztec/src/cli/chain_l2_config.ts
+++ b/yarn-project/aztec/src/cli/chain_l2_config.ts
@@ -11,9 +11,11 @@ export type L2ChainConfig = {
   aztecEpochDuration: number;
   aztecProofSubmissionWindow: number;
   testAccounts: boolean;
+  sponsoredFPC: boolean;
   p2pEnabled: boolean;
   p2pBootstrapNodes: string[];
   registryAddress: string;
+  slashFactoryAddress: string;
   seqMinTxsPerBlock: number;
   seqMaxTxsPerBlock: number;
   realProofs: boolean;
@@ -26,9 +28,11 @@ export const testnetIgnitionL2ChainConfig: L2ChainConfig = {
   aztecEpochDuration: 32,
   aztecProofSubmissionWindow: 64,
   testAccounts: true,
+  sponsoredFPC: false,
   p2pEnabled: true,
   p2pBootstrapNodes: [],
   registryAddress: '0x12b3ebc176a1646b911391eab3760764f2e05fe3',
+  slashFactoryAddress: '',
   seqMinTxsPerBlock: 0,
   seqMaxTxsPerBlock: 0,
   realProofs: true,
@@ -40,10 +44,12 @@ export const alphaTestnetL2ChainConfig: L2ChainConfig = {
   aztecSlotDuration: 36,
   aztecEpochDuration: 32,
   aztecProofSubmissionWindow: 64,
-  testAccounts: false,
+  testAccounts: true,
+  sponsoredFPC: true,
   p2pEnabled: true,
   p2pBootstrapNodes: [],
-  registryAddress: '', // To be updated
+  registryAddress: '0x290667b79dd73ce03cd2fc901b905e7f1b001d18',
+  slashFactoryAddress: '0xc5aceadbb626630e854ffd6cb39105e9c541fa34',
   seqMinTxsPerBlock: 0,
   seqMaxTxsPerBlock: 4,
   realProofs: true,
@@ -94,9 +100,11 @@ export async function enrichEnvironmentWithChainConfig(networkName: NetworkNames
   enrichVar('AZTEC_PROOF_SUBMISSION_WINDOW', config.aztecProofSubmissionWindow.toString());
   enrichVar('BOOTSTRAP_NODES', config.p2pBootstrapNodes.join(','));
   enrichVar('TEST_ACCOUNTS', config.testAccounts.toString());
+  enrichVar('SPONSORED_FPC', config.sponsoredFPC.toString());
   enrichVar('P2P_ENABLED', config.p2pEnabled.toString());
   enrichVar('L1_CHAIN_ID', config.l1ChainId.toString());
   enrichVar('REGISTRY_CONTRACT_ADDRESS', config.registryAddress);
+  enrichVar('SLASH_FACTORY_CONTRACT_ADDRESS', config.slashFactoryAddress);
   enrichVar('SEQ_MIN_TX_PER_BLOCK', config.seqMinTxsPerBlock.toString());
   enrichVar('SEQ_MAX_TX_PER_BLOCK', config.seqMaxTxsPerBlock.toString());
   enrichVar('DATA_DIRECTORY', path.join(process.env.HOME || '~', '.aztec', networkName, 'data'));
diff --git a/yarn-project/aztec/src/cli/cmds/start_node.ts b/yarn-project/aztec/src/cli/cmds/start_node.ts
index 9923c361ad05..9f2a8db1b142 100644
--- a/yarn-project/aztec/src/cli/cmds/start_node.ts
+++ b/yarn-project/aztec/src/cli/cmds/start_node.ts
@@ -1,5 +1,6 @@
 import { getInitialTestAccounts } from '@aztec/accounts/testing';
 import { type AztecNodeConfig, aztecNodeConfigMappings, getConfigEnvVars } from '@aztec/aztec-node';
+import { getSponsoredFPCAddress } from '@aztec/cli/cli-utils';
 import { NULL_KEY } from '@aztec/ethereum';
 import type { NamespacedApiHandlers } from '@aztec/foundation/json-rpc/server';
 import type { LogFn } from '@aztec/foundation/log';
@@ -47,10 +48,11 @@ export async function startNode(
 
   await preloadCrsDataForVerifying(nodeConfig, userLog);
 
-  const initialFundedAccounts = nodeConfig.testAccounts ? await getInitialTestAccounts() : [];
-  const { genesisBlockHash, genesisArchiveRoot, prefilledPublicData } = await getGenesisValues(
-    initialFundedAccounts.map(a => a.address),
-  );
+  const testAccounts = nodeConfig.testAccounts ? (await getInitialTestAccounts()).map(a => a.address) : [];
+  const sponsoredFPCAccounts = nodeConfig.sponsoredFPC ? [await getSponsoredFPCAddress()] : [];
+  const initialFundedAccounts = [...testAccounts, ...sponsoredFPCAccounts];
+
+  const { genesisBlockHash, genesisArchiveRoot, prefilledPublicData } = await getGenesisValues(initialFundedAccounts);
 
   // Deploy contracts if needed
   if (nodeSpecificOptions.deployAztecContracts || nodeSpecificOptions.deployAztecContractsSalt) {
diff --git a/yarn-project/aztec/src/cli/cmds/start_prover_node.ts b/yarn-project/aztec/src/cli/cmds/start_prover_node.ts
index ca92cbbdee0d..6eb2d419b171 100644
--- a/yarn-project/aztec/src/cli/cmds/start_prover_node.ts
+++ b/yarn-project/aztec/src/cli/cmds/start_prover_node.ts
@@ -1,4 +1,5 @@
 import { getInitialTestAccounts } from '@aztec/accounts/testing';
+import { getSponsoredFPCAddress } from '@aztec/cli/cli-utils';
 import { NULL_KEY } from '@aztec/ethereum';
 import type { NamespacedApiHandlers } from '@aztec/foundation/json-rpc/server';
 import { Agent, makeUndiciFetch } from '@aztec/foundation/json-rpc/undici';
@@ -101,8 +102,10 @@ export async function startProverNode(
 
   await preloadCrsDataForVerifying(proverConfig, userLog);
 
-  const initialFundedAccounts = proverConfig.testAccounts ? await getInitialTestAccounts() : [];
-  const { prefilledPublicData } = await getGenesisValues(initialFundedAccounts.map(a => a.address));
+  const testAccounts = proverConfig.testAccounts ? (await getInitialTestAccounts()).map(a => a.address) : [];
+  const sponsoredFPCAccounts = proverConfig.sponsoredFPC ? [await getSponsoredFPCAddress()] : [];
+  const initialFundedAccounts = [...testAccounts, ...sponsoredFPCAccounts];
+  const { prefilledPublicData } = await getGenesisValues(initialFundedAccounts);
 
   const proverNode = await createProverNode(proverConfig, { telemetry, broker }, { prefilledPublicData });
   services.proverNode = [proverNode, ProverNodeApiSchema];
diff --git a/yarn-project/foundation/src/config/env_var.ts b/yarn-project/foundation/src/config/env_var.ts
index 32ec18b1497e..0938c513bb44 100644
--- a/yarn-project/foundation/src/config/env_var.ts
+++ b/yarn-project/foundation/src/config/env_var.ts
@@ -165,6 +165,7 @@ export type EnvVar =
   | 'REWARD_DISTRIBUTOR_CONTRACT_ADDRESS'
   | 'TELEMETRY'
   | 'TEST_ACCOUNTS'
+  | 'SPONSORED_FPC'
   | 'TX_GOSSIP_VERSION'
   | 'TXE_PORT'
   | 'VALIDATOR_ATTESTATIONS_POLLING_INTERVAL_MS'
diff --git a/yarn-project/prover-node/src/config.ts b/yarn-project/prover-node/src/config.ts
index c4680d31748f..924f603d81bb 100644
--- a/yarn-project/prover-node/src/config.ts
+++ b/yarn-project/prover-node/src/config.ts
@@ -36,6 +36,8 @@ export type ProverNodeConfig = ArchiverConfig &
   SpecificProverNodeConfig & {
     /** Whether to populate the genesis state with initial fee juice for the test accounts */
     testAccounts: boolean;
+    /** Whether to populate the genesis state with initial fee juice for the sponsored FPC */
+    sponsoredFPC: boolean;
   };
 
 type SpecificProverNodeConfig = {
@@ -95,6 +97,11 @@ export const proverNodeConfigMappings: ConfigMappingsType<ProverNodeConfig> = {
     description: 'Whether to populate the genesis state with initial fee juice for the test accounts.',
     ...booleanConfigHelper(false),
   },
+  sponsoredFPC: {
+    env: 'SPONSORED_FPC',
+    description: 'Whether to populate the genesis state with initial fee juice for the sponsored FPC.',
+    ...booleanConfigHelper(false),
+  },
 };
 
 export function getProverNodeConfigFromEnv(): ProverNodeConfig {