diff --git a/CHANGELOG.md b/CHANGELOG.md
index 72ff046c787..3d075f08874 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -23,6 +23,7 @@ For information on changes in released versions of Teku, see the [releases page]
 - Improved peer scoring to better handle temporary errors from peers.
 - Enabled fork choice proposer boost by default.
 - Added Websockets and IPC protocols support for execution client’s Engine JSON RPC API.
+- Added experimental support for Gnosis Beacon chain
 
 ### Bug Fixes
 - Fixed the target database format for the `migrate-database` command.
\ No newline at end of file
diff --git a/ethereum/networks/src/main/java/tech/pegasys/teku/networks/Eth2NetworkConfiguration.java b/ethereum/networks/src/main/java/tech/pegasys/teku/networks/Eth2NetworkConfiguration.java
index 97926af0507..38e4e34458b 100644
--- a/ethereum/networks/src/main/java/tech/pegasys/teku/networks/Eth2NetworkConfiguration.java
+++ b/ethereum/networks/src/main/java/tech/pegasys/teku/networks/Eth2NetworkConfiguration.java
@@ -17,6 +17,7 @@
 import static com.google.common.base.Preconditions.checkNotNull;
 import static java.util.Arrays.asList;
 import static tech.pegasys.teku.spec.constants.NetworkConstants.DEFAULT_SAFE_SLOTS_TO_IMPORT_OPTIMISTICALLY;
+import static tech.pegasys.teku.spec.networks.Eth2Network.GNOSIS;
 import static tech.pegasys.teku.spec.networks.Eth2Network.KILN;
 import static tech.pegasys.teku.spec.networks.Eth2Network.KINTSUGI;
 import static tech.pegasys.teku.spec.networks.Eth2Network.LESS_SWIFT;
@@ -375,6 +376,8 @@ public Builder applyNetworkDefaults(final Eth2Network network) {
           return applyKintsugiNetworkDefaults();
         case KILN:
           return applyKilnNetworkDefaults();
+        case GNOSIS:
+          return applyGnosisNetworkDefaults();
         case SWIFT:
           return applySwiftNetworkDefaults();
         case LESS_SWIFT:
@@ -488,5 +491,19 @@ public Builder applyKilnNetworkDefaults() {
               "enr:-KG4QFkPJUFWuONp5grM94OJvNht9wX6N36sA4wqucm6Z02ECWBQRmh6AzndaLVGYBHWre67mjK-E0uKt2CIbWrsZ_8DhGV0aDKQc6pfXHAAAHAyAAAAAAAAAIJpZIJ2NIJpcISl6LTmiXNlY3AyNTZrMaEDHlSNOgYrNWP8_l_WXqDMRvjv6gUAvHKizfqDDVc8feaDdGNwgiMog3VkcIIjKA",
               "enr:-MK4QI-wkVW1PxL4ksUM4H_hMgTTwxKMzvvDMfoiwPBuRxcsGkrGPLo4Kho3Ri1DEtJG4B6pjXddbzA9iF2gVctxv42GAX9v5WG5h2F0dG5ldHOIAAAAAAAAAACEZXRoMpBzql9ccAAAcDIAAAAAAAAAgmlkgnY0gmlwhKRcjMiJc2VjcDI1NmsxoQK1fc46pmVHKq8HNYLkSVaUv4uK2UBsGgjjGWU6AAhAY4hzeW5jbmV0cwCDdGNwgiMog3VkcIIjKA");
     }
+
+    public Builder applyGnosisNetworkDefaults() {
+      return reset()
+          .constants(GNOSIS.configName())
+          .initialStateFromClasspath("gnosis-genesis.ssz")
+          .startupTimeoutSeconds(120)
+          .eth1DepositContractDeployBlock(19469077)
+          .discoveryBootnodes(
+              // Gnosis Chain Team bootnodes
+              "enr:-IS4QGmLwm7gFd0L0CEisllrb1op3v-wAGSc7_pwSMGgN3bOS9Fz7m1dWbwuuPHKqeETz9MbhjVuoWk0ohkyRv98kVoBgmlkgnY0gmlwhGjtlgaJc2VjcDI1NmsxoQLMdh0It9fJbuiLydZ9fpF6MRzgNle0vODaDiMqhbC7WIN1ZHCCIyg",
+              "enr:-IS4QFUVG3dvLPCUEI7ycRvFm0Ieg_ITa5tALmJ9LI7dJ6ieT3J4fF9xLRjOoB4ApV-Rjp7HeLKzyTWG1xRdbFBNZPQBgmlkgnY0gmlwhErP5weJc2VjcDI1NmsxoQOBbaJBvx0-w_pyZUhQl9A510Ho2T0grE0K8JevzES99IN1ZHCCIyg",
+              "enr:-Ku4QOQk8V-Hu2gxFzRXmLYIO4AvWDZhoMFwTf3n3DYm_mbsWv0ZitoqiN6JZUUj6Li6e1Jk1w2zFSVHKPMUP1g5tsgBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpD5Jd3FAAAAZP__________gmlkgnY0gmlwhC1PTpmJc2VjcDI1NmsxoQL1Ynt5PoA0UOcHa1Rfn98rmnRlLzNuWTePPP4m4qHVroN1ZHCCKvg",
+              "enr:-Ku4QFaTwgoms-EiiRIfHUH3FXprWUFgjHg4UuWvilqoUQtDbmTszVIxUEOwQUmA2qkiP-T9wXjc_rVUuh9cU7WgwbgBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpD5Jd3FAAAAZP__________gmlkgnY0gmlwhC0hBmCJc2VjcDI1NmsxoQOpsg1XCrXmCwZKcSTcycLwldoKUMHPUpMEVGeg_EEhuYN1ZHCCKvg");
+    }
   }
 }
diff --git a/ethereum/networks/src/main/resources/tech/pegasys/teku/networks/gnosis-genesis.ssz b/ethereum/networks/src/main/resources/tech/pegasys/teku/networks/gnosis-genesis.ssz
new file mode 100644
index 00000000000..09524f554a3
Binary files /dev/null and b/ethereum/networks/src/main/resources/tech/pegasys/teku/networks/gnosis-genesis.ssz differ
diff --git a/ethereum/networks/src/test/java/tech/pegasys/teku/networks/Eth2NetworkConfigurationTest.java b/ethereum/networks/src/test/java/tech/pegasys/teku/networks/Eth2NetworkConfigurationTest.java
index 297f229a518..6d55b45567c 100644
--- a/ethereum/networks/src/test/java/tech/pegasys/teku/networks/Eth2NetworkConfigurationTest.java
+++ b/ethereum/networks/src/test/java/tech/pegasys/teku/networks/Eth2NetworkConfigurationTest.java
@@ -130,7 +130,8 @@ public static Stream<Arguments> getDefinedNetworks() {
         Arguments.of(Eth2Network.KILN, (NetworkDefinition) b -> b.applyKilnNetworkDefaults()),
         Arguments.of(Eth2Network.SWIFT, (NetworkDefinition) b -> b.applySwiftNetworkDefaults()),
         Arguments.of(
-            Eth2Network.LESS_SWIFT, (NetworkDefinition) b -> b.applyLessSwiftNetworkDefaults()));
+            Eth2Network.LESS_SWIFT, (NetworkDefinition) b -> b.applyLessSwiftNetworkDefaults()),
+        Arguments.of(Eth2Network.GNOSIS, (NetworkDefinition) b -> b.applyGnosisNetworkDefaults()));
   }
 
   private List<NodeRecord> parseBootnodes(List<String> bootnodes) {
diff --git a/ethereum/spec/src/main/java/tech/pegasys/teku/spec/networks/Eth2Network.java b/ethereum/spec/src/main/java/tech/pegasys/teku/spec/networks/Eth2Network.java
index cd55a5acb26..3bf134b8181 100644
--- a/ethereum/spec/src/main/java/tech/pegasys/teku/spec/networks/Eth2Network.java
+++ b/ethereum/spec/src/main/java/tech/pegasys/teku/spec/networks/Eth2Network.java
@@ -22,6 +22,7 @@ public enum Eth2Network {
   PRATER,
   KINTSUGI,
   KILN,
+  GNOSIS,
   // Test networks
   MINIMAL,
   SWIFT,
diff --git a/ethereum/spec/src/main/java/tech/pegasys/teku/spec/networks/Eth2Presets.java b/ethereum/spec/src/main/java/tech/pegasys/teku/spec/networks/Eth2Presets.java
index 1ce119bf61d..390cd97bb4c 100644
--- a/ethereum/spec/src/main/java/tech/pegasys/teku/spec/networks/Eth2Presets.java
+++ b/ethereum/spec/src/main/java/tech/pegasys/teku/spec/networks/Eth2Presets.java
@@ -18,7 +18,8 @@
 public enum Eth2Presets {
   MAINNET,
   MINIMAL,
-  SWIFT;
+  SWIFT,
+  GNOSIS;
 
   public String presetName() {
     return name().toLowerCase(Locale.US);
diff --git a/ethereum/spec/src/main/resources/tech/pegasys/teku/spec/config/configs/gnosis.yaml b/ethereum/spec/src/main/resources/tech/pegasys/teku/spec/config/configs/gnosis.yaml
new file mode 100644
index 00000000000..6af24ea2226
--- /dev/null
+++ b/ethereum/spec/src/main/resources/tech/pegasys/teku/spec/config/configs/gnosis.yaml
@@ -0,0 +1,88 @@
+# Gnosis Beacon Chain config
+
+# Extends the gnosis preset
+PRESET_BASE: 'gnosis'
+
+# For backwards compatibility in the config/spec API
+CONFIG_NAME: 'gnosis'
+
+# Transition
+# ---------------------------------------------------------------
+# TBD, 2**256-2**10 is a placeholder
+TERMINAL_TOTAL_DIFFICULTY: 115792089237316195423570985008687907853269984665640564039457584007913129638912
+# By default, don't use these params
+TERMINAL_BLOCK_HASH: 0x0000000000000000000000000000000000000000000000000000000000000000
+TERMINAL_BLOCK_HASH_ACTIVATION_EPOCH: 18446744073709551615
+
+
+# Genesis
+# ---------------------------------------------------------------
+# `2**12` (= 4,096)
+MIN_GENESIS_ACTIVE_VALIDATOR_COUNT: 4096
+# Dec 8, 2021, 13:00 UTC
+MIN_GENESIS_TIME: 1638968400
+# Gnosis Beacon Chain initial fork version
+GENESIS_FORK_VERSION: 0x00000064
+# 6000 seconds (100 minutes)
+GENESIS_DELAY: 6000
+
+
+# Forking
+# ---------------------------------------------------------------
+# Some forks are disabled for now:
+#  - These may be re-assigned to another fork-version later
+#  - Temporarily set to max uint64 value: 2**64 - 1
+
+# Altair
+ALTAIR_FORK_VERSION: 0x01000064
+ALTAIR_FORK_EPOCH: 512
+# Merge
+BELLATRIX_FORK_VERSION: 0x02000064
+BELLATRIX_FORK_EPOCH: 18446744073709551615
+# Sharding
+SHARDING_FORK_VERSION: 0x03000064
+SHARDING_FORK_EPOCH: 18446744073709551615
+
+# TBD, 2**32 is a placeholder. Merge transition approach is in active R&D.
+TRANSITION_TOTAL_DIFFICULTY: 4294967296
+
+
+# Time parameters
+# ---------------------------------------------------------------
+# 5 seconds
+SECONDS_PER_SLOT: 5
+# 6 (estimate from Gnosis Chain)
+SECONDS_PER_ETH1_BLOCK: 6
+# 2**8 (= 256) epochs ~8 hours
+MIN_VALIDATOR_WITHDRAWABILITY_DELAY: 256
+# 2**8 (= 256) epochs ~8 hours
+SHARD_COMMITTEE_PERIOD: 256
+# 2**10 (= 1024) ~1.4 hour
+ETH1_FOLLOW_DISTANCE: 1024
+
+
+# Validator cycle
+# ---------------------------------------------------------------
+# 2**2 (= 4)
+INACTIVITY_SCORE_BIAS: 4
+# 2**4 (= 16)
+INACTIVITY_SCORE_RECOVERY_RATE: 16
+# 2**4 * 10**9 (= 16,000,000,000) Gwei
+EJECTION_BALANCE: 16000000000
+# 2**2 (= 4)
+MIN_PER_EPOCH_CHURN_LIMIT: 4
+# 2**12 (= 4096)
+CHURN_LIMIT_QUOTIENT: 4096
+
+
+# Fork choice
+# ---------------------------------------------------------------
+PROPOSER_SCORE_BOOST: 70
+
+
+# Deposit contract
+# ---------------------------------------------------------------
+# Gnosis Chain
+DEPOSIT_CHAIN_ID: 100
+DEPOSIT_NETWORK_ID: 100
+DEPOSIT_CONTRACT_ADDRESS: 0x0B98057eA310F4d31F2a452B414647007d1645d9
\ No newline at end of file
diff --git a/ethereum/spec/src/main/resources/tech/pegasys/teku/spec/config/presets/gnosis/altair.yaml b/ethereum/spec/src/main/resources/tech/pegasys/teku/spec/config/presets/gnosis/altair.yaml
new file mode 100644
index 00000000000..977b1c3e083
--- /dev/null
+++ b/ethereum/spec/src/main/resources/tech/pegasys/teku/spec/config/presets/gnosis/altair.yaml
@@ -0,0 +1,24 @@
+# Gnosis Beacon Chain preset - Altair
+
+# Updated penalty values
+# ---------------------------------------------------------------
+# 3 * 2**24 (= 50,331,648)
+INACTIVITY_PENALTY_QUOTIENT_ALTAIR: 50331648
+# 2**6 (= 64)
+MIN_SLASHING_PENALTY_QUOTIENT_ALTAIR: 64
+# 2
+PROPORTIONAL_SLASHING_MULTIPLIER_ALTAIR: 2
+
+
+# Sync committee
+# ---------------------------------------------------------------
+# 2**9 (= 512)
+SYNC_COMMITTEE_SIZE: 512
+# 2**8 (= 256)
+EPOCHS_PER_SYNC_COMMITTEE_PERIOD: 512
+
+
+# Sync protocol
+# ---------------------------------------------------------------
+# 1
+MIN_SYNC_COMMITTEE_PARTICIPANTS: 1
\ No newline at end of file
diff --git a/ethereum/spec/src/main/resources/tech/pegasys/teku/spec/config/presets/gnosis/bellatrix.yaml b/ethereum/spec/src/main/resources/tech/pegasys/teku/spec/config/presets/gnosis/bellatrix.yaml
new file mode 100644
index 00000000000..a6e3ce5079a
--- /dev/null
+++ b/ethereum/spec/src/main/resources/tech/pegasys/teku/spec/config/presets/gnosis/bellatrix.yaml
@@ -0,0 +1,22 @@
+# Gnosis Beacon Chain preset - Bellatrix
+
+# Updated penalty values
+# ---------------------------------------------------------------
+# 2**24 (= 16,777,216)
+INACTIVITY_PENALTY_QUOTIENT_BELLATRIX: 16777216
+# 2**5 (= 32)
+MIN_SLASHING_PENALTY_QUOTIENT_BELLATRIX: 32
+# 3
+PROPORTIONAL_SLASHING_MULTIPLIER_BELLATRIX: 3
+
+
+# Execution
+# ---------------------------------------------------------------
+# 2**30 (= 1,073,741,824)
+MAX_BYTES_PER_TRANSACTION: 1073741824
+# 2**20 (= 1,048,576)
+MAX_TRANSACTIONS_PER_PAYLOAD: 1048576
+# 2**8 (= 256)
+BYTES_PER_LOGS_BLOOM: 256
+# 2**5 (= 32)
+MAX_EXTRA_DATA_BYTES: 32
\ No newline at end of file
diff --git a/ethereum/spec/src/main/resources/tech/pegasys/teku/spec/config/presets/gnosis/phase0.yaml b/ethereum/spec/src/main/resources/tech/pegasys/teku/spec/config/presets/gnosis/phase0.yaml
new file mode 100644
index 00000000000..e3657471823
--- /dev/null
+++ b/ethereum/spec/src/main/resources/tech/pegasys/teku/spec/config/presets/gnosis/phase0.yaml
@@ -0,0 +1,94 @@
+# Gnosis Beacon Chain preset - Phase0
+
+# Misc
+# ---------------------------------------------------------------
+# 2**6 (= 64)
+MAX_COMMITTEES_PER_SLOT: 64
+# 2**7 (= 128)
+TARGET_COMMITTEE_SIZE: 128
+# 2**11 (= 2,048)
+MAX_VALIDATORS_PER_COMMITTEE: 2048
+# See issue 563
+SHUFFLE_ROUND_COUNT: 90
+# 4
+HYSTERESIS_QUOTIENT: 4
+# 1 (minus 0.25)
+HYSTERESIS_DOWNWARD_MULTIPLIER: 1
+# 5 (plus 1.25)
+HYSTERESIS_UPWARD_MULTIPLIER: 5
+
+
+# Fork Choice
+# ---------------------------------------------------------------
+# 2**3 (= 8)
+SAFE_SLOTS_TO_UPDATE_JUSTIFIED: 8
+
+
+# Gwei values
+# ---------------------------------------------------------------
+# 2**0 * 10**9 (= 1,000,000,000) Gwei
+MIN_DEPOSIT_AMOUNT: 1000000000
+# 2**5 * 10**9 (= 32,000,000,000) Gwei
+MAX_EFFECTIVE_BALANCE: 32000000000
+# 2**0 * 10**9 (= 1,000,000,000) Gwei
+EFFECTIVE_BALANCE_INCREMENT: 1000000000
+
+
+# Time parameters
+# ---------------------------------------------------------------
+# 2**0 (= 1) slots 5 seconds
+MIN_ATTESTATION_INCLUSION_DELAY: 1
+# 2**4 (= 16) slots 1.87 minutes
+SLOTS_PER_EPOCH: 16
+# 2**0 (= 1) epochs 1.87 minutes
+MIN_SEED_LOOKAHEAD: 1
+# 2**2 (= 4) epochs 7.47 minutes
+MAX_SEED_LOOKAHEAD: 4
+# 2**6 (= 64) epochs ~2 hours
+EPOCHS_PER_ETH1_VOTING_PERIOD: 64
+# 2**13 (= 8,192) slots ~15.9 hours
+SLOTS_PER_HISTORICAL_ROOT: 8192
+# 2**2 (= 4) epochs 7.47 minutes
+MIN_EPOCHS_TO_INACTIVITY_PENALTY: 4
+
+
+# State list lengths
+# ---------------------------------------------------------------
+# 2**16 (= 65,536) epochs ~85 days
+EPOCHS_PER_HISTORICAL_VECTOR: 65536
+# 2**13 (= 8,192) epochs ~10.6 days
+EPOCHS_PER_SLASHINGS_VECTOR: 8192
+# 2**24 (= 16,777,216) historical roots, ~15,243 years
+HISTORICAL_ROOTS_LIMIT: 16777216
+# 2**40 (= 1,099,511,627,776) validator spots
+VALIDATOR_REGISTRY_LIMIT: 1099511627776
+
+
+# Reward and penalty quotients
+# ---------------------------------------------------------------
+# 25
+BASE_REWARD_FACTOR: 25
+# 2**9 (= 512)
+WHISTLEBLOWER_REWARD_QUOTIENT: 512
+# 2**3 (= 8)
+PROPOSER_REWARD_QUOTIENT: 8
+# 2**26 (= 67,108,864)
+INACTIVITY_PENALTY_QUOTIENT: 67108864
+# 2**7 (= 128) (lower safety margin at Phase 0 genesis)
+MIN_SLASHING_PENALTY_QUOTIENT: 128
+# 1 (lower safety margin at Phase 0 genesis)
+PROPORTIONAL_SLASHING_MULTIPLIER: 1
+
+
+# Max operations per block
+# ---------------------------------------------------------------
+# 2**4 (= 16)
+MAX_PROPOSER_SLASHINGS: 16
+# 2**1 (= 2)
+MAX_ATTESTER_SLASHINGS: 2
+# 2**7 (= 128)
+MAX_ATTESTATIONS: 128
+# 2**4 (= 16)
+MAX_DEPOSITS: 16
+# 2**4 (= 16)
+MAX_VOLUNTARY_EXITS: 16
\ No newline at end of file