diff --git a/Makefile b/Makefile
index 8d46dd4a1..4c0d55722 100644
--- a/Makefile
+++ b/Makefile
@@ -57,6 +57,7 @@ TOOLS := \
 
 TOOLS_DIRS := \
 	beacon_chain \
+	beacon_chain/eth1 \
 	benchmarks \
 	ncli \
 	nbench \
diff --git a/beacon_chain/beacon_chain_db.nim b/beacon_chain/beacon_chain_db.nim
index a7aa79aae..b80d1a2c1 100644
--- a/beacon_chain/beacon_chain_db.nim
+++ b/beacon_chain/beacon_chain_db.nim
@@ -8,7 +8,8 @@ import
   ./network_metadata,
   ./spec/[crypto, datatypes, digest, state_transition],
   ./ssz/[ssz_serialization, merkleization],
-  merkle_minimal, filepath
+  ./eth1/merkle_minimal,
+  filepath
 
 type
   DbSeq*[T] = object
diff --git a/beacon_chain/beacon_node_common.nim b/beacon_chain/beacon_node_common.nim
index 58b086cc6..3ad5d4443 100644
--- a/beacon_chain/beacon_node_common.nim
+++ b/beacon_chain/beacon_node_common.nim
@@ -15,8 +15,9 @@ import
 
   # Local modules
   ./conf, ./time, ./beacon_chain_db, ./attestation_pool, ./eth2_network,
-  ./beacon_node_types, ./eth1_monitor,
+  ./beacon_node_types,
   ./eth2_processor,
+  ./eth1/eth1_monitor,
   ./block_pools/[chain_dag, quarantine],
   ./spec/datatypes,
   ./sync/[sync_manager, request_manager]
diff --git a/beacon_chain/deposit_contract.nim b/beacon_chain/eth1/deposit_contract.nim
similarity index 97%
rename from beacon_chain/deposit_contract.nim
rename to beacon_chain/eth1/deposit_contract.nim
index 5aad8d638..abdfb6148 100644
--- a/beacon_chain/deposit_contract.nim
+++ b/beacon_chain/eth1/deposit_contract.nim
@@ -1,10 +1,10 @@
 import
   os, sequtils, strutils, options, json, terminal, random,
   chronos, chronicles, confutils, stint, json_serialization,
-  ../beacon_chain/network_metadata,
-  web3, web3/confutils_defs, eth/keys, stew/io2, filepath,
-  spec/[datatypes, crypto, presets], ssz/merkleization,
-  ./validators/keystore_management
+  ".."/[network_metadata, filepath],
+  web3, web3/confutils_defs, eth/keys, stew/io2,
+  ../spec/[datatypes, crypto, presets], ../ssz/merkleization,
+  ../validators/keystore_management
 
 # Compiled version of /scripts/depositContract.v.py in this repo
 # The contract was compiled in Remix (https://remix.ethereum.org/) with vyper (remote) compiler.
diff --git a/beacon_chain/deposit_contract_code.txt b/beacon_chain/eth1/deposit_contract_code.txt
similarity index 100%
rename from beacon_chain/deposit_contract_code.txt
rename to beacon_chain/eth1/deposit_contract_code.txt
diff --git a/beacon_chain/eth1_monitor.nim b/beacon_chain/eth1/eth1_monitor.nim
similarity index 99%
rename from beacon_chain/eth1_monitor.nim
rename to beacon_chain/eth1/eth1_monitor.nim
index f2a4e2b9b..3ba4b9962 100644
--- a/beacon_chain/eth1_monitor.nim
+++ b/beacon_chain/eth1/eth1_monitor.nim
@@ -5,8 +5,10 @@ import
   chronos, json, metrics, chronicles/timings,
   web3, web3/ethtypes as web3Types, eth/common/eth_types, eth/async_utils,
   # Local modules:
-  spec/[datatypes, digest, crypto, helpers],
-  ssz, beacon_chain_db, network_metadata, merkle_minimal, beacon_node_status
+  ../spec/[datatypes, digest, crypto, helpers],
+  ../ssz,
+  ".."/[beacon_chain_db, network_metadata, beacon_node_status],
+  ./merkle_minimal
 
 export
   web3Types
diff --git a/beacon_chain/merkle_minimal.nim b/beacon_chain/eth1/merkle_minimal.nim
similarity index 100%
rename from beacon_chain/merkle_minimal.nim
rename to beacon_chain/eth1/merkle_minimal.nim
diff --git a/beacon_chain/eth2_processor.nim b/beacon_chain/eth2_processor.nim
index 7f1442a7e..f3578ad1b 100644
--- a/beacon_chain/eth2_processor.nim
+++ b/beacon_chain/eth2_processor.nim
@@ -16,7 +16,7 @@ import
   ./attestation_aggregation, ./exit_pool,
   ./validators/validator_pool,
   ./beacon_node_types, ./attestation_pool,
-  ./time, ./conf, ./sszdump
+  ./time, ./conf, ./ssz/sszdump
 
 # Metrics for tracking attestation and beacon block loss
 declareCounter beacon_attestations_received,
diff --git a/beacon_chain/nimbus_beacon_node.nim b/beacon_chain/nimbus_beacon_node.nim
index a8169db83..7adf36223 100644
--- a/beacon_chain/nimbus_beacon_node.nim
+++ b/beacon_chain/nimbus_beacon_node.nim
@@ -25,7 +25,7 @@ import
   "."/[
     attestation_aggregation, attestation_pool, beacon_chain_db,
     beacon_node_common, beacon_node_status, beacon_node_types, conf,
-    eth1_monitor, eth2_discovery, eth2_network, eth2_processor, exit_pool,
+    eth2_discovery, eth2_network, eth2_processor, exit_pool,
     extras, filepath, interop, network_metadata,
     nimbus_binary_common, ssz/merkleization, statusbar,
     time, version],
@@ -36,7 +36,8 @@ import
   ./spec/[
     datatypes, digest, crypto, beaconstate, eth2_apis/beacon_rpc_client,
     helpers, network, presets, validator, weak_subjectivity, signatures],
-  ./block_pools/[chain_dag, quarantine, clearance, block_pools_types]
+  ./block_pools/[chain_dag, quarantine, clearance, block_pools_types],
+  ./eth1/eth1_monitor
 
 from eth/common/eth_types import BlockHashOrNumber
 
diff --git a/beacon_chain/rpc/config_api.nim b/beacon_chain/rpc/config_api.nim
index f2fbbe016..b9411c16b 100644
--- a/beacon_chain/rpc/config_api.nim
+++ b/beacon_chain/rpc/config_api.nim
@@ -9,7 +9,8 @@ import
   json_rpc/[rpcserver, jsonmarshal],
   chronicles,
   nimcrypto/utils as ncrutils,
-  ../beacon_node_common, ../eth1_monitor,
+  ../beacon_node_common,
+  ../eth1/eth1_monitor,
   ../spec/[datatypes, digest, presets]
 
 logScope: topics = "configapi"
diff --git a/beacon_chain/rpc/nimbus_api.nim b/beacon_chain/rpc/nimbus_api.nim
index 3a5afa67d..4cac508e0 100644
--- a/beacon_chain/rpc/nimbus_api.nim
+++ b/beacon_chain/rpc/nimbus_api.nim
@@ -13,7 +13,8 @@ import
 
   rpc_utils,
   ../beacon_node_common, ../nimbus_binary_common, ../eth2_network,
-  ../eth1_monitor, ../validators/validator_duties,
+  ../eth1/eth1_monitor,
+  ../validators/validator_duties,
   ../spec/[digest, datatypes, presets],
 
   libp2p/protocols/pubsub/pubsubpeer
diff --git a/beacon_chain/ssz.nim b/beacon_chain/ssz.nim
index d3311421d..3b0be2919 100644
--- a/beacon_chain/ssz.nim
+++ b/beacon_chain/ssz.nim
@@ -15,8 +15,7 @@
 # https://github.com/nim-lang/Nim/issues/14126
 
 import
-  ./ssz/[merkleization, ssz_serialization, types]
+  ssz/[merkleization, ssz_serialization, types]
 
 export
   merkleization, ssz_serialization, types
-
diff --git a/beacon_chain/sszdump.nim b/beacon_chain/ssz/sszdump.nim
similarity index 93%
rename from beacon_chain/sszdump.nim
rename to beacon_chain/ssz/sszdump.nim
index b418d8dc3..b18390aaa 100644
--- a/beacon_chain/sszdump.nim
+++ b/beacon_chain/ssz/sszdump.nim
@@ -2,9 +2,9 @@
 
 import
   os, strformat, chronicles,
-  ssz/ssz_serialization,
-  beacon_node_types,
-  ./spec/[crypto, datatypes, digest]
+  ./ssz_serialization,
+  ../beacon_node_types,
+  ../spec/[crypto, datatypes, digest]
 
 # Dump errors are generally not fatal where used currently - the code calling
 # these functions, like most code, is not exception safe
diff --git a/beacon_chain/validators/validator_duties.nim b/beacon_chain/validators/validator_duties.nim
index 6816bee40..6fa0fa46f 100644
--- a/beacon_chain/validators/validator_duties.nim
+++ b/beacon_chain/validators/validator_duties.nim
@@ -24,9 +24,10 @@ import
   ../conf, ../time,
   ../attestation_pool, ../exit_pool,
   ../block_pools/[spec_cache, chain_dag, clearance],
+  ../eth1/eth1_monitor,
   ../eth2_network, ../beacon_node_common,
-  ../beacon_node_types, ../nimbus_binary_common, ../eth1_monitor, ../version,
-  ../ssz/merkleization, ../attestation_aggregation, ../sync/sync_manager, ../sszdump,
+  ../beacon_node_types, ../nimbus_binary_common, ../version,
+  ../ssz, ../ssz/sszdump, ../attestation_aggregation, ../sync/sync_manager,
   ./slashing_protection,
   ./validator_pool, ./keystore_management
 
diff --git a/ncli/ncli_db.nim b/ncli/ncli_db.nim
index c488b5b00..201b6c1a0 100644
--- a/ncli/ncli_db.nim
+++ b/ncli/ncli_db.nim
@@ -6,7 +6,7 @@ import
   ../beacon_chain/block_pools/chain_dag,
   ../beacon_chain/spec/[crypto, datatypes, digest, helpers,
                         state_transition, presets],
-  ../beacon_chain/[ssz, sszdump],
+  ../beacon_chain/ssz, ../beacon_chain/ssz/sszdump,
   ../research/simutils
 
 type Timers = enum
diff --git a/research/block_sim.nim b/research/block_sim.nim
index 529963a0e..d99678311 100644
--- a/research/block_sim.nim
+++ b/research/block_sim.nim
@@ -23,8 +23,8 @@ import
   ../beacon_chain/spec/[beaconstate, crypto, datatypes, digest, presets,
                         helpers, validator, signatures, state_transition],
   ../beacon_chain/[
-    attestation_pool, beacon_node_types, beacon_chain_db,
-    eth1_monitor, extras],
+    attestation_pool, beacon_node_types, beacon_chain_db, extras],
+  ../beacon_chain/eth1/eth1_monitor,
   ../beacon_chain/validators/validator_pool,
   ../beacon_chain/block_pools/[chain_dag, quarantine, clearance],
   ../beacon_chain/ssz/[merkleization, ssz_serialization],
diff --git a/research/simutils.nim b/research/simutils.nim
index 50fb26d78..8de5f3050 100644
--- a/research/simutils.nim
+++ b/research/simutils.nim
@@ -1,9 +1,10 @@
 import
   stats, os, strformat, times,
   ../tests/[testblockutil],
-  ../beacon_chain/[extras, eth1_monitor, beacon_chain_db],
+  ../beacon_chain/[extras, beacon_chain_db],
   ../beacon_chain/ssz/[merkleization, ssz_serialization],
-  ../beacon_chain/spec/[beaconstate, crypto, datatypes, digest, helpers, presets]
+  ../beacon_chain/spec/[beaconstate, crypto, datatypes, digest, helpers, presets],
+  ../beacon_chain/eth1/eth1_monitor
 
 template withTimer*(stats: var RunningStat, body: untyped) =
   # TODO unify timing somehow
diff --git a/tests/fuzzing/ssz_fuzzing.nim b/tests/fuzzing/ssz_fuzzing.nim
index 80b49ab7d..b076becbf 100644
--- a/tests/fuzzing/ssz_fuzzing.nim
+++ b/tests/fuzzing/ssz_fuzzing.nim
@@ -39,4 +39,3 @@ template sszFuzzingTest*(T: type) =
         echo repr(decoded)
 
         doAssert false
-
diff --git a/tests/mocking/mock_deposits.nim b/tests/mocking/mock_deposits.nim
index ec26532ec..6c02fd6cf 100644
--- a/tests/mocking/mock_deposits.nim
+++ b/tests/mocking/mock_deposits.nim
@@ -17,7 +17,9 @@ import
                            keystore, signatures, presets],
 
   # Internals
-  ../../beacon_chain/[ssz, extras, merkle_minimal],
+  ../../beacon_chain/extras,
+  ../../beacon_chain/ssz,
+  ../../beacon_chain/eth1/merkle_minimal,
 
   # Mocking procs
   ./mock_validator_keys
diff --git a/tests/spec_block_processing/test_process_deposits.nim b/tests/spec_block_processing/test_process_deposits.nim
index 02c0d90c5..b511d026e 100644
--- a/tests/spec_block_processing/test_process_deposits.nim
+++ b/tests/spec_block_processing/test_process_deposits.nim
@@ -18,7 +18,8 @@ import
   # Specs
   ../../beacon_chain/spec/[beaconstate, datatypes, crypto, presets],
   # Internals
-  ../../beacon_chain/[ssz, extras],
+  ../../beacon_chain/ssz,
+  ../../beacon_chain/extras,
   # Mock helpers
   ../mocking/[mock_deposits, mock_genesis],
   ../testutil, ../helpers/math_helpers
diff --git a/tests/test_beacon_chain_db.nim b/tests/test_beacon_chain_db.nim
index 13788e433..b8dba782b 100644
--- a/tests/test_beacon_chain_db.nim
+++ b/tests/test_beacon_chain_db.nim
@@ -8,7 +8,8 @@
 {.used.}
 
 import  options, unittest, sequtils,
-  ../beacon_chain/[beacon_chain_db, extras, interop, ssz],
+  ../beacon_chain/[beacon_chain_db, extras, interop],
+  ../beacon_chain/ssz,
   ../beacon_chain/spec/[
     beaconstate, datatypes, digest, crypto, state_transition, presets],
   eth/db/kvstore,
diff --git a/tests/test_block_pool.nim b/tests/test_block_pool.nim
index af5667953..ae93dc4c9 100644
--- a/tests/test_block_pool.nim
+++ b/tests/test_block_pool.nim
@@ -13,7 +13,8 @@ import
   eth/keys,
   ./testutil, ./testblockutil,
   ../beacon_chain/spec/[datatypes, digest, helpers, state_transition, presets],
-  ../beacon_chain/[beacon_node_types, ssz],
+  ../beacon_chain/beacon_node_types,
+  ../beacon_chain/ssz,
   ../beacon_chain/block_pools/[chain_dag, quarantine, clearance]
 
 when isMainModule:
diff --git a/tests/test_eth1_monitor.nim b/tests/test_eth1_monitor.nim
index 428cc86dd..931356d38 100644
--- a/tests/test_eth1_monitor.nim
+++ b/tests/test_eth1_monitor.nim
@@ -3,7 +3,7 @@
 import
   unittest,
   chronos, web3/ethtypes,
-  ../beacon_chain/eth1_monitor
+  ../beacon_chain/eth1/eth1_monitor
 
 suite "Eth1 Chain":
   discard
@@ -47,4 +47,3 @@ suite "Eth1 monitor":
       unspecifiedProtocolUrl == gethWsUrl
 
       gethWsUrl == "ws://localhost:8545"
-
diff --git a/tests/test_interop.nim b/tests/test_interop.nim
index ef545c6ba..1dfcc78c9 100644
--- a/tests/test_interop.nim
+++ b/tests/test_interop.nim
@@ -2,7 +2,8 @@
 
 import
   unittest, stint, ./testutil, stew/byteutils,
-  ../beacon_chain/[interop, ssz],
+  ../beacon_chain/interop,
+  ../beacon_chain/ssz,
   ../beacon_chain/spec/[beaconstate, crypto, datatypes, presets]
 
 # Interop test yaml, found here:
diff --git a/tests/test_ssz_merkleization.nim b/tests/test_ssz_merkleization.nim
index 8dcb5e904..6fdd2ffa1 100644
--- a/tests/test_ssz_merkleization.nim
+++ b/tests/test_ssz_merkleization.nim
@@ -2,7 +2,8 @@ import
   std/[strutils, sequtils, macros, bitops],
   stew/[bitops2, endians2],
   ../beacon_chain/spec/[beaconstate, datatypes, digest, helpers],
-  ../beacon_chain/[ssz, merkle_minimal],
+  ../beacon_chain/eth1/merkle_minimal,
+  ../beacon_chain/ssz,
   mocking/mock_deposits
 
 func round_step_down(x: Natural, step: static Natural): int =
@@ -265,4 +266,3 @@ proc testMerkleizer =
     doAssert deposits[i].proof == depositsCopy[i].proof
 
 testMerkleizer()
-
diff --git a/tests/test_statediff.nim b/tests/test_statediff.nim
index a972807eb..7e208aeae 100644
--- a/tests/test_statediff.nim
+++ b/tests/test_statediff.nim
@@ -14,7 +14,8 @@ import
   ./mocking/mock_deposits,
   ../beacon_chain/spec/[beaconstate, datatypes, digest, helpers,
     state_transition, presets],
-  ../beacon_chain/[beacon_node_types, ssz, statediff],
+  ../beacon_chain/[beacon_node_types, statediff],
+  ../beacon_chain/ssz,
   ../beacon_chain/block_pools/[chain_dag, quarantine, clearance]
 
 when isMainModule:
diff --git a/tests/testutil.nim b/tests/testutil.nim
index f4ce36ce8..cf4b4101f 100644
--- a/tests/testutil.nim
+++ b/tests/testutil.nim
@@ -8,7 +8,8 @@
 import
   os, algorithm, strformat, stats, times, tables, std/monotimes, stew/endians2,
   testutils/markdown_reports, chronicles,
-  ../beacon_chain/[beacon_chain_db, extras, ssz],
+  ../beacon_chain/[beacon_chain_db, extras],
+  ../beacon_chain/ssz,
   ../beacon_chain/spec/[digest, beaconstate, datatypes, presets],
   ../beacon_chain/block_pools/chain_dag,
   eth/db/[kvstore, kvstore_sqlite3],