diff --git a/iac/network/common/gcp/main.tf b/iac/network/common/gcp/main.tf
index 68a8b4660353..c60cb25827ea 100644
--- a/iac/network/common/gcp/main.tf
+++ b/iac/network/common/gcp/main.tf
@@ -16,7 +16,6 @@ module "iam" {
 }
 
 module "firewall" {
-  source        = "../../modules/firewall/gcp"
-  p2p_tcp_ports = var.p2p_ports
-  p2p_udp_ports = var.p2p_ports
+  source    = "../../modules/firewall/gcp"
+  p2p_ports = var.p2p_ports
 }
diff --git a/spartan/aztec-network/files/config/deploy-l1-contracts.sh b/spartan/aztec-network/files/config/deploy-l1-contracts.sh
index 547dd3f494de..9fb4b33afc3a 100755
--- a/spartan/aztec-network/files/config/deploy-l1-contracts.sh
+++ b/spartan/aztec-network/files/config/deploy-l1-contracts.sh
@@ -44,12 +44,19 @@ fi
 output=""
 MAX_RETRIES=5
 RETRY_DELAY=15
+
 TEST_ACCOUNTS=${TEST_ACCOUNTS:-false}
 TEST_ACCOUNTS_ARG=""
 if [ "$TEST_ACCOUNTS" = "true" ]; then
   TEST_ACCOUNTS_ARG="--test-accounts"
 fi
 
+SPONSORED_FPC=${SPONSORED_FPC:-false}
+SPONSORED_FPC_ARG=""
+if [ "$SPONSORED_FPC" = "true" ]; then
+  SPONSORED_FPC_ARG="--sponsored-fpc"
+fi
+
 ACCELERATED_TEST_DEPLOYMENTS_ARG=""
 if [ "$ACCELERATED_TEST_DEPLOYMENTS" = "true" ]; then
   ACCELERATED_TEST_DEPLOYMENTS_ARG="--accelerated-test-deployments"
@@ -57,7 +64,7 @@ fi
 
 for attempt in $(seq 1 $MAX_RETRIES); do
   # Construct base command
-  base_cmd="LOG_LEVEL=debug node --no-warnings /usr/src/yarn-project/aztec/dest/bin/index.js deploy-l1-contracts $TEST_ACCOUNTS_ARG $ACCELERATED_TEST_DEPLOYMENTS_ARG"
+  base_cmd="LOG_LEVEL=debug node --no-warnings /usr/src/yarn-project/aztec/dest/bin/index.js deploy-l1-contracts $TEST_ACCOUNTS_ARG $ACCELERATED_TEST_DEPLOYMENTS_ARG $SPONSORED_FPC_ARG"
 
   # Add account - use private key if set, otherwise use mnemonic
   if [ -n "${L1_DEPLOYMENT_PRIVATE_KEY:-}" ]; then
diff --git a/spartan/aztec-network/templates/_helpers.tpl b/spartan/aztec-network/templates/_helpers.tpl
index 7ea1a700460e..145b42914fde 100644
--- a/spartan/aztec-network/templates/_helpers.tpl
+++ b/spartan/aztec-network/templates/_helpers.tpl
@@ -288,6 +288,8 @@ Combined wait-for-services and configure-env container for full nodes
       value: "{{ .Values.aztec.contracts.registryAddress }}"
     - name: SLASH_FACTORY_CONTRACT_ADDRESS
       value: "{{ .Values.aztec.contracts.slashFactoryAddress }}"
+    - name: FEE_ASSET_HANDLER_CONTRACT_ADDRESS
+      value: "{{ .Values.aztec.contracts.feeAssetHandlerContractAddress }}"
 {{- end -}}
 
 {{/*
diff --git a/spartan/aztec-network/templates/blob-sink.yaml b/spartan/aztec-network/templates/blob-sink.yaml
index 60362f78d633..01df0939e06c 100644
--- a/spartan/aztec-network/templates/blob-sink.yaml
+++ b/spartan/aztec-network/templates/blob-sink.yaml
@@ -31,6 +31,9 @@ spec:
       {{- if .Values.storage.localSsd }}
       {{- include "aztec-network.gcpLocalSsd" . | nindent 6 }}
       {{- end }}
+      {{- if .Values.network.public }}
+      serviceAccountName: {{ include "aztec-network.fullname" . }}-node
+      {{- end }}
       dnsPolicy: ClusterFirstWithHostNet
       initContainers:
         {{- include "aztec-network.serviceAddressSetupContainer" . | nindent 8 }}
@@ -80,6 +83,8 @@ spec:
               valueFrom:
                 fieldRef:
                   fieldPath: metadata.namespace
+            - name: ROLLUP_CONTRACT_ADDRESS
+              value: "{{ .Values.aztec.contracts.rollupAddress }}"
             - name: BLOB_SINK_PORT
               value: "{{ .Values.blobSink.service.nodePort }}"
             - name: LOG_LEVEL
diff --git a/spartan/aztec-network/templates/boot-node.yaml b/spartan/aztec-network/templates/boot-node.yaml
index e53ed0ab85d5..b7beffb521af 100644
--- a/spartan/aztec-network/templates/boot-node.yaml
+++ b/spartan/aztec-network/templates/boot-node.yaml
@@ -89,6 +89,8 @@ spec:
               value: "{{ .Values.ethereum.acceleratedTestDeployments }}"
             - name: TEST_ACCOUNTS
               value: "{{ .Values.aztec.testAccounts }}"
+            - name: SPONSORED_FPC
+              value: "{{ .Values.aztec.sponsoredFPC }}"
             - name: REGISTRY_CONTRACT_ADDRESS
               value: "{{ .Values.bootNode.contracts.registryAddress }}"
             - name: TELEMETRY
@@ -230,6 +232,8 @@ spec:
               value: "{{ .Values.telemetry.excludeMetrics }}"
             - name: TEST_ACCOUNTS
               value: "{{ .Values.aztec.testAccounts }}"
+            - name: SPONSORED_FPC
+              value: "{{ .Values.aztec.sponsoredFPC }}"
             {{- if .Values.blobSink.enabled }}
             - name: BLOB_SINK_URL
               value: {{ include "aztec-network.blobSinkUrl" . }}
diff --git a/spartan/aztec-network/templates/full-node.yaml b/spartan/aztec-network/templates/full-node.yaml
index 57b81cf513c0..e83e308f2020 100644
--- a/spartan/aztec-network/templates/full-node.yaml
+++ b/spartan/aztec-network/templates/full-node.yaml
@@ -154,6 +154,8 @@ spec:
               value: "{{ .Values.network.p2pBootstrapNodesAsFullPeers }}"
             - name: TEST_ACCOUNTS
               value: "{{ .Values.aztec.testAccounts }}"
+            - name: SPONSORED_FPC
+              value: "{{ .Values.aztec.sponsoredFPC }}"
             {{- if .Values.blobSink.enabled }}
             - name: BLOB_SINK_URL
               value: {{ include "aztec-network.blobSinkUrl" . }}
diff --git a/spartan/aztec-network/templates/prover-node.yaml b/spartan/aztec-network/templates/prover-node.yaml
index 283c7a4b6539..7f30c9f83d85 100644
--- a/spartan/aztec-network/templates/prover-node.yaml
+++ b/spartan/aztec-network/templates/prover-node.yaml
@@ -234,6 +234,8 @@ spec:
               value: "{{ .Values.telemetry.excludeMetrics }}"
             - name: TEST_ACCOUNTS
               value: "{{ .Values.aztec.testAccounts }}"
+            - name: SPONSORED_FPC
+              value: "{{ .Values.aztec.sponsoredFPC }}"
             {{- if .Values.blobSink.enabled }}
             - name: BLOB_SINK_URL
               value: {{ include "aztec-network.blobSinkUrl" . }}
diff --git a/spartan/aztec-network/templates/setup-l2-contracts.yaml b/spartan/aztec-network/templates/setup-l2-contracts.yaml
index 56bf8c89ef36..15e2513bf213 100644
--- a/spartan/aztec-network/templates/setup-l2-contracts.yaml
+++ b/spartan/aztec-network/templates/setup-l2-contracts.yaml
@@ -65,7 +65,22 @@ spec:
               done
               echo "PXE service is ready!"
               set -e
-              LOG_LEVEL=debug node --no-warnings /usr/src/yarn-project/aztec/dest/bin/index.js setup-protocol-contracts --skipProofWait
+              export LOG_LEVEL=debug
+
+              TEST_ACCOUNTS=${TEST_ACCOUNTS:-false}
+              TEST_ACCOUNTS_ARG=""
+              if [ "$TEST_ACCOUNTS" = "true" ]; then
+                TEST_ACCOUNTS_ARG="--testAccounts"
+              fi
+
+              SPONSORED_FPC=${SPONSORED_FPC:-false}
+              SPONSORED_FPC_ARG=""
+              if [ "$SPONSORED_FPC" = "true" ]; then
+                SPONSORED_FPC_ARG="--sponsoredFPC"
+              fi
+
+              node --no-warnings /usr/src/yarn-project/aztec/dest/bin/index.js setup-protocol-contracts --skipProofWait $TEST_ACCOUNTS_ARG $SPONSORED_FPC_ARG
+
               echo "L2 contracts initialized"
           env:
             - name: K8S_POD_UID
@@ -80,6 +95,10 @@ spec:
               valueFrom:
                 fieldRef:
                   fieldPath: metadata.namespace
+            - name: TEST_ACCOUNTS
+              value: "{{ .Values.aztec.testAccounts }}"
+            - name: SPONSORED_FPC
+              value: "{{ .Values.aztec.sponsoredFPC }}"
             - name: TELEMETRY
               value: "{{ .Values.telemetry.enabled }}"
             - name: LOG_LEVEL
diff --git a/spartan/aztec-network/templates/validator.yaml b/spartan/aztec-network/templates/validator.yaml
index 2989643a9313..6c1136cc6b48 100644
--- a/spartan/aztec-network/templates/validator.yaml
+++ b/spartan/aztec-network/templates/validator.yaml
@@ -187,6 +187,8 @@ spec:
               value: "{{ .Values.telemetry.excludeMetrics }}"
             - name: TEST_ACCOUNTS
               value: "{{ .Values.aztec.testAccounts }}"
+            - name: SPONSORED_FPC
+              value: "{{ .Values.aztec.sponsoredFPC }}"
             - name: P2P_BOOTSTRAP_NODES_AS_FULL_PEERS
               value: "{{ .Values.network.p2pBootstrapNodesAsFullPeers }}"
             {{- if .Values.blobSink.enabled }}
diff --git a/spartan/aztec-network/values.yaml b/spartan/aztec-network/values.yaml
index f79743ac5d73..30676220b10f 100644
--- a/spartan/aztec-network/values.yaml
+++ b/spartan/aztec-network/values.yaml
@@ -51,6 +51,8 @@ aztec:
   contracts:
     registryAddress: ""
     slashFactoryAddress: ""
+    rollupAddress: "" # only needed for blob sink
+    feeAssetHandlerContractAddress: ""
 
   slotDuration: 36 # in seconds, aka L2 slot duration. Must be a multiple of {{ ethereum.blockTime }}
   epochDuration: 32 # how many L2 slots in an epoch
@@ -59,6 +61,7 @@ aztec:
 
   l1Salt: "" # leave empty for random salt
   testAccounts: true
+  sponsoredFPC: false
   l1DeploymentMnemonic: "test test test test test test test test test test test junk" # the mnemonic used when deploying contracts
   manaTarget: "" # use default value
 
diff --git a/spartan/aztec-network/values/alpha-testnet.yaml b/spartan/aztec-network/values/alpha-testnet.yaml
new file mode 100644
index 000000000000..90c422ad40bd
--- /dev/null
+++ b/spartan/aztec-network/values/alpha-testnet.yaml
@@ -0,0 +1,88 @@
+telemetry:
+  enabled: true
+
+aztec:
+  realProofs: true
+  numberOfDefaultAccounts: 0
+  testAccounts: true
+  sponsoredFPC: false
+  bootstrapENRs: "enr:-LO4QLbJddVpePYjaiCftOBY-L7O6Mfj_43TAn5Q1Y-5qQ_OWmSFc7bTKWHzw5xmdVIqXUiizum_kIRniXdPnWHHcwEEhWF6dGVjqDAwLTExMTU1MTExLTAwMDAwMDAwLTAtMTgwNmEwMjgtMWE1MzBmM2KCaWSCdjSCaXCEI8nh9YlzZWNwMjU2azGhA-_dX6aFcXP1DLk91negbXL2a0mNYGXH4hrMvb2i92I0g3VkcIKd0A,enr:-LO4QN4WF8kFyV3sQVX0C_y_03Eepxk5Wac70l9QJcIDRYwKS6aRst1YcfbTDdvovXdRfKf-WSXNVWViGLhDA-dUz2MEhWF6dGVjqDAwLTExMTU1MTExLTAwMDAwMDAwLTAtMTgwNmEwMjgtMWE1MzBmM2KCaWSCdjSCaXCEIicTHolzZWNwMjU2azGhAsz7aFFYRnP5xjTux5UW-HyEQcW_EJrZMT1CNm79N4g-g3VkcIKd0A,enr:-LO4QFrGfkRaCk_iFTeUjR5ESwo45Eov9hx_T1-BLdoT-iHzFgCiHMT4V1KBtdFp8D0ajLSe5HcNYrhalmdJXgv6NTUEhWF6dGVjqDAwLTExMTU1MTExLTAwMDAwMDAwLTAtMTgwNmEwMjgtMWE1MzBmM2KCaWSCdjSCaXCEIlICt4lzZWNwMjU2azGhAlC6nKB3iDtRFqWKWqxf_t-P9hc-SZ6VFBJV4y3bTZBQg3VkcIKd0A"
+  contracts:
+    registryAddress: "0xad85d55a4bbef35e95396191c22903aa717edf1c"
+    rollupAddress: "0x8e9152bb1b0577ea82508c001785e92fc96035fd"
+    slashFactoryAddress: "0xf667f50fd68b30c38b12d29fee537fa5ea158eb8"
+    feeAssetHandlerContractAddress: "0xf0664fec6ac15313e18d5ad8225e46b7c6463338"
+
+network:
+  public: true
+  setupL2Contracts: false
+  p2pBootstrapNodesAsFullPeers: false
+
+blobSink:
+  enabled: true
+  dataStoreConfig:
+    dataDir: "/data"
+    storageSize: "128Gi"
+    dataStoreMapSize: "134217728" # 128 GB
+
+bot:
+  enabled: false
+
+pxe:
+  enabled: false
+
+faucet:
+  enabled: false
+
+bootNode:
+  enabled: false
+  # unused.
+  externalHost: "http://localhost:8080"
+
+proverNode:
+  l1FixedPriorityFeePerGas: 3
+  l1GasLimitBufferPercentage: 15
+  l1GasPriceMax: 1000
+  maxOldSpaceSize: "8192"
+  storageSize: "512Gi"
+  resources:
+    requests:
+      cpu: "3"
+      memory: "10Gi"
+
+validator:
+  replicas: 3
+  l1FixedPriorityFeePerGas: 3
+  l1GasLimitBufferPercentage: 15
+  l1GasPriceMax: 1000
+  storageSize: "512Gi"
+  sequencer:
+    minTxsPerBlock: 0
+    maxTxsPerBlock: 4
+  validator:
+    disabled: false
+  maxOldSpaceSize: "8192"
+  resources:
+    requests:
+      cpu: "3"
+      memory: "10Gi"
+
+proverAgent:
+  replicas: 32
+  bb:
+    hardwareConcurrency: 31
+  gke:
+    spotEnabled: true
+  resources:
+    requests:
+      memory: "116Gi"
+      cpu: "31"
+
+ethereum:
+  chainId: "11155111"
+  l1GasPriceMax: 1000
+  l1FixedPriorityFeePerGas: 3
+
+jobs:
+  deployL1Verifier:
+    enable: false
diff --git a/spartan/aztec-network/values/rc-1.yaml b/spartan/aztec-network/values/rc-1.yaml
index b0ab27a1ec72..57b0ce89ae1e 100644
--- a/spartan/aztec-network/values/rc-1.yaml
+++ b/spartan/aztec-network/values/rc-1.yaml
@@ -6,6 +6,8 @@ aztec:
   epochDuration: 32
   proofSubmissionWindow: 64
   realProofs: true
+  testAccounts: true
+  sponsoredFPC: true
 
 images:
   aztec:
diff --git a/spartan/scripts/prepare_sepolia_accounts.sh b/spartan/scripts/prepare_sepolia_accounts.sh
index bc1ee1fde5c3..8bcf5a905c7a 100755
--- a/spartan/scripts/prepare_sepolia_accounts.sh
+++ b/spartan/scripts/prepare_sepolia_accounts.sh
@@ -25,6 +25,26 @@ eth_amount=${2:-"1"}
 output_file=${3:-"mnemonic.tmp"}
 XDG_CONFIG_HOME=${XDG_CONFIG_HOME:-"$HOME/.config"}
 
+# Install bc if needed
+if ! command -v bc &>/dev/null; then
+  echo "Installing bc..."
+  apt-get update && apt-get install -y bc
+fi
+
+# Install cast if needed
+if ! command -v cast &>/dev/null; then
+  echo "Installing cast..."
+  curl -L https://foundry.paradigm.xyz | bash
+  $HOME/.foundry/bin/foundryup && export PATH="$PATH:$HOME/.foundry/bin" || $XDG_CONFIG_HOME/.foundry/bin/foundryup && export PATH="$PATH:$XDG_CONFIG_HOME/.foundry/bin"
+fi
+
+# Install yq if needed
+if ! command -v yq &>/dev/null; then
+  echo "Installing yq..."
+  wget https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64 -O /usr/local/bin/yq
+  chmod +x /usr/local/bin/yq
+fi
+
 # Convert ETH to wei
 wei_amount=$(cast to-wei "$eth_amount" ether)
 
@@ -59,25 +79,7 @@ max_index=$((max_index > bot_max_index ? max_index : bot_max_index))
 # Total number of accounts needed
 total_accounts=$((num_validators + num_provers + num_bots))
 
-# Install bc if needed
-if ! command -v bc &>/dev/null; then
-  echo "Installing bc..."
-  apt-get update && apt-get install -y bc
-fi
 
-# Install cast if needed
-if ! command -v cast &>/dev/null; then
-  echo "Installing cast..."
-  curl -L https://foundry.paradigm.xyz | bash
-  $HOME/.foundry/bin/foundryup && export PATH="$PATH:$HOME/.foundry/bin" || $XDG_CONFIG_HOME/.foundry/bin/foundryup && export PATH="$PATH:$XDG_CONFIG_HOME/.foundry/bin"
-fi
-
-# Install yq if needed
-if ! command -v yq &>/dev/null; then
-  echo "Installing yq..."
-  wget https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64 -O /usr/local/bin/yq
-  chmod +x /usr/local/bin/yq
-fi
 
 # Create a new mnemonic
 echo "Creating mnemonic..."
diff --git a/spartan/terraform/gke-cluster/cluster/main.tf b/spartan/terraform/gke-cluster/cluster/main.tf
index 72ff2f978ceb..bfd2d8034bb7 100644
--- a/spartan/terraform/gke-cluster/cluster/main.tf
+++ b/spartan/terraform/gke-cluster/cluster/main.tf
@@ -25,6 +25,15 @@ resource "google_container_cluster" "primary" {
       issue_client_certificate = false
     }
   }
+
+  resource_usage_export_config {
+    enable_network_egress_metering       = true
+    enable_resource_consumption_metering = true
+
+    bigquery_destination {
+      dataset_id = "egress_consumption"
+    }
+  }
 }
 
 # Create 2 core node pool with local ssd
@@ -103,6 +112,42 @@ resource "google_container_node_pool" "aztec_nodes-2core" {
   }
 }
 
+# Create 4 core node pool no ssd
+resource "google_container_node_pool" "aztec_nodes-4core" {
+  name     = "${var.cluster_name}-4core"
+  location = var.zone
+  cluster  = var.cluster_name
+  version  = var.node_version
+  # Enable autoscaling
+  autoscaling {
+    min_node_count = 0
+    max_node_count = 16
+  }
+
+  # Node configuration
+  node_config {
+    machine_type = "t2d-standard-4"
+
+    service_account = var.service_account
+    oauth_scopes = [
+      "https://www.googleapis.com/auth/cloud-platform"
+    ]
+
+    labels = {
+      env       = "production"
+      local-ssd = "false"
+      node-type = "network"
+    }
+    tags = ["aztec-gke-node", "aztec"]
+  }
+
+  # Management configuration
+  management {
+    auto_repair  = true
+    auto_upgrade = false
+  }
+}
+
 # Create spot instance node pool with autoscaling
 resource "google_container_node_pool" "spot_nodes_32core" {
   name     = "${var.cluster_name}-32core-spot"
diff --git a/spartan/terraform/gke-cluster/main.tf b/spartan/terraform/gke-cluster/main.tf
index 7baca828d340..6ea8919414eb 100644
--- a/spartan/terraform/gke-cluster/main.tf
+++ b/spartan/terraform/gke-cluster/main.tf
@@ -1,8 +1,7 @@
 terraform {
-  backend "s3" {
+  backend "gcs" {
     bucket = "aztec-terraform"
-    key    = "aztec-gke-cluster/terraform.tfstate"
-    region = "eu-west-2"
+    prefix = "terraform/state/gke-cluster"
   }
   required_providers {
     google = {
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.js/src/contract/proven_tx.ts b/yarn-project/aztec.js/src/contract/proven_tx.ts
index 5f3fd5196fa5..43763834daa7 100644
--- a/yarn-project/aztec.js/src/contract/proven_tx.ts
+++ b/yarn-project/aztec.js/src/contract/proven_tx.ts
@@ -11,12 +11,17 @@ export class ProvenTx extends Tx {
     super(tx.data, tx.clientIvcProof, tx.contractClassLogs, tx.publicFunctionCalldata);
   }
 
+  // Clone the TX data to get a serializable object.
+  protected getPlainDataTx(): Tx {
+    return new Tx(this.data, this.clientIvcProof, this.contractClassLogs, this.publicFunctionCalldata);
+  }
+
   /**
    * Sends the transaction to the network via the provided wallet.
    */
   public send(): SentTx {
     const promise = (() => {
-      return this.wallet.sendTx(this);
+      return this.wallet.sendTx(this.getPlainDataTx());
     })();
 
     return new SentTx(this.wallet, promise);
diff --git a/yarn-project/aztec/src/cli/chain_l2_config.ts b/yarn-project/aztec/src/cli/chain_l2_config.ts
index 233efb871c30..bb7ca1fba3c5 100644
--- a/yarn-project/aztec/src/cli/chain_l2_config.ts
+++ b/yarn-project/aztec/src/cli/chain_l2_config.ts
@@ -11,9 +11,12 @@ export type L2ChainConfig = {
   aztecEpochDuration: number;
   aztecProofSubmissionWindow: number;
   testAccounts: boolean;
+  sponsoredFPC: boolean;
   p2pEnabled: boolean;
   p2pBootstrapNodes: string[];
   registryAddress: string;
+  slashFactoryAddress: string;
+  feeAssetHandlerAddress: string;
   seqMinTxsPerBlock: number;
   seqMaxTxsPerBlock: number;
   realProofs: boolean;
@@ -26,9 +29,12 @@ export const testnetIgnitionL2ChainConfig: L2ChainConfig = {
   aztecEpochDuration: 32,
   aztecProofSubmissionWindow: 64,
   testAccounts: true,
+  sponsoredFPC: false,
   p2pEnabled: true,
   p2pBootstrapNodes: [],
   registryAddress: '0x12b3ebc176a1646b911391eab3760764f2e05fe3',
+  slashFactoryAddress: '',
+  feeAssetHandlerAddress: '',
   seqMinTxsPerBlock: 0,
   seqMaxTxsPerBlock: 0,
   realProofs: true,
@@ -40,10 +46,13 @@ export const alphaTestnetL2ChainConfig: L2ChainConfig = {
   aztecSlotDuration: 36,
   aztecEpochDuration: 32,
   aztecProofSubmissionWindow: 64,
-  testAccounts: false,
+  testAccounts: true,
+  sponsoredFPC: true,
   p2pEnabled: true,
   p2pBootstrapNodes: [],
-  registryAddress: '', // To be updated
+  registryAddress: '0xad85d55a4bbef35e95396191c22903aa717edf1c',
+  slashFactoryAddress: '0xf667f50fd68b30c38b12d29fee537fa5ea158eb8',
+  feeAssetHandlerAddress: '0xf0664fec6ac15313e18d5ad8225e46b7c6463338',
   seqMinTxsPerBlock: 0,
   seqMaxTxsPerBlock: 4,
   realProofs: true,
@@ -94,9 +103,12 @@ 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('FEE_ASSET_HANDLER_CONTRACT_ADDRESS', config.feeAssetHandlerAddress);
   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..154ac35f6f5d 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 +48,16 @@ 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.concat(sponsoredFPCAccounts);
+
+  userLog(`Initial funded accounts: ${initialFundedAccounts.map(a => a.toString()).join(', ')}`);
+
+  const { genesisBlockHash, genesisArchiveRoot, prefilledPublicData } = await getGenesisValues(initialFundedAccounts);
+
+  userLog(`Genesis block hash: ${genesisBlockHash.toString()}`);
+  userLog(`Genesis archive root: ${genesisArchiveRoot.toString()}`);
 
   // Deploy contracts if needed
   if (nodeSpecificOptions.deployAztecContracts || nodeSpecificOptions.deployAztecContractsSalt) {
diff --git a/yarn-project/aztec/src/cli/cmds/start_p2p_bootstrap.ts b/yarn-project/aztec/src/cli/cmds/start_p2p_bootstrap.ts
index 8c51fc454d86..a943e27ee51b 100644
--- a/yarn-project/aztec/src/cli/cmds/start_p2p_bootstrap.ts
+++ b/yarn-project/aztec/src/cli/cmds/start_p2p_bootstrap.ts
@@ -17,7 +17,8 @@ export async function startP2PBootstrap(
 ) {
   // Start a P2P bootstrap node.
   const config = extractRelevantOptions<BootnodeConfig>(options, bootnodeConfigMappings, 'p2p');
-  userLog(`Starting P2P bootstrap node with config: ${jsonStringify(config)}`);
+  const safeConfig = { ...config, peerIdPrivateKey: '<redacted>' };
+  userLog(`Starting P2P bootstrap node with config: ${jsonStringify(safeConfig)}`);
   const telemetryClient = initTelemetryClient(getTelemetryClientConfig());
   const store = await createStore('p2p-bootstrap', 1, config, createLogger('p2p:bootstrap:store'));
   const node = new BootstrapNode(store, telemetryClient);
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..659ce4ab29c9 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 +102,15 @@ 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.concat(sponsoredFPCAccounts);
+
+  userLog(`Initial funded accounts: ${initialFundedAccounts.map(a => a.toString()).join(', ')}`);
+  const { genesisArchiveRoot, genesisBlockHash, prefilledPublicData } = await getGenesisValues(initialFundedAccounts);
+
+  userLog(`Genesis block hash: ${genesisBlockHash.toString()}`);
+  userLog(`Genesis archive root: ${genesisArchiveRoot.toString()}`);
 
   const proverNode = await createProverNode(proverConfig, { telemetry, broker }, { prefilledPublicData });
   services.proverNode = [proverNode, ProverNodeApiSchema];
diff --git a/yarn-project/cli/src/cmds/l1/index.ts b/yarn-project/cli/src/cmds/l1/index.ts
index 6aae5d1fcca3..b792415807d4 100644
--- a/yarn-project/cli/src/cmds/l1/index.ts
+++ b/yarn-project/cli/src/cmds/l1/index.ts
@@ -57,7 +57,7 @@ export function injectCommands(program: Command, log: LogFn, debugLogger: Logger
         options.mnemonicIndex,
         options.salt,
         options.testAccounts,
-        options.sponsoredFPC,
+        options.sponsoredFpc,
         options.acceleratedTestDeployments,
         options.json,
         initialValidators,
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/p2p/src/config.ts b/yarn-project/p2p/src/config.ts
index b4f3f91bd033..ce45457b02d1 100644
--- a/yarn-project/p2p/src/config.ts
+++ b/yarn-project/p2p/src/config.ts
@@ -371,6 +371,7 @@ export type BootnodeConfig = Pick<
 const bootnodeConfigKeys: (keyof BootnodeConfig)[] = [
   'p2pIp',
   'p2pPort',
+  'listenAddress',
   'peerIdPrivateKey',
   'dataDirectory',
   'dataStoreMapSizeKB',
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 {