diff --git a/.env_example b/.env_example
index 2f54d225..be1139e0 100644
--- a/.env_example
+++ b/.env_example
@@ -1,7 +1,5 @@
 # used to submit and block result through a web3 storage service
-WEB3_JWT=<WEB3-JWT> 
-# used  for testing and forking a state of ethereum mainnent
-ERIGON_NODE=<FORKED-ERIGON-NODE>
+WEB3_JWT=<WEB3-JWT>
 # used to submit block result proofs 
 BLOCK_RESULT_OPERATOR_PRIVATE_KEY=<PRIVATE-KEY-OF-BLOCK-RESULT-OPERATOR>
 
diff --git a/.envrc b/.envrc
index 387aeca7..ee901fcb 100644
--- a/.envrc
+++ b/.envrc
@@ -1,4 +1,3 @@
-export ERIGON_NODE="https://ethereum.web3.covalenthq.com/mainnet/rpc"
 export IPFS_PINNER_URL="http://127.0.0.1:3001"
 export EVM_SERVER_URL="http://127.0.0.1:3002"
 
diff --git a/config/dev.exs b/config/dev.exs
index 9e9a40f6..b7f3c9a1 100644
--- a/config/dev.exs
+++ b/config/dev.exs
@@ -51,7 +51,7 @@ config :phoenix, :plug_init_mode, :runtime
 config :rudder,
   operator_private_key: System.get_env("BLOCK_RESULT_OPERATOR_PRIVATE_KEY"),
   bsp_proofchain_address: "0x1BFa3b5E9bE2c5298B7DE11B5Acb08c37683f4eF",
-  brp_proofchain_address: "0xeFD84B6F1C04Ad9A7D666E21C9608a2ea2FE4B83",
+  brp_proofchain_address: "0x06A38f70c8e245e1cfe1b7d5ACa1B7cd29380343",
   proofchain_chain_id: 1287,
   proofchain_node: System.get_env("NODE_ETHEREUM_MAINNET"),
   ipfs_pinner_url: System.get_env("IPFS_PINNER_URL"),
diff --git a/docker-compose-mbase.yml b/docker-compose-mbase.yml
index e1433b66..21776ccd 100644
--- a/docker-compose-mbase.yml
+++ b/docker-compose-mbase.yml
@@ -12,14 +12,12 @@ services:
     labels:
       "autoheal": "true"
     expose:
-      - "4001:4001"
       - "3001:3001"
     environment:
       - WEB3_JWT=${WEB3_JWT}
     networks:
       - cqt-net
     ports:
-      - "4001:4001"
       - "3001:3001"
 
   evm-server:
@@ -66,7 +64,7 @@ services:
     networks:
       - cqt-net
     ports:
-      - "9568:9568"
+      - "9568:9568"    # prometheus metrics will be exported at http://localhost:9568/metrics etc.
 
   autoheal:
     image: willfarrell/autoheal
diff --git a/lib/rudder/block_result/block_result_uploader.ex b/lib/rudder/block_result/block_result_uploader.ex
index ff43157a..ecae359a 100644
--- a/lib/rudder/block_result/block_result_uploader.ex
+++ b/lib/rudder/block_result/block_result_uploader.ex
@@ -51,7 +51,7 @@ defmodule Rudder.BlockResultUploader do
                block_height,
                specimen_hash_bytes32,
                block_result_hash,
-               cid
+               "ipfs://#{cid}"
              ) do
           {:ok, :submitted} ->
             :ok = Events.brp_upload_success(System.monotonic_time(:millisecond) - start_upload_ms)
diff --git a/mix.exs b/mix.exs
index c934057a..a6217a49 100644
--- a/mix.exs
+++ b/mix.exs
@@ -4,7 +4,7 @@ defmodule Rudder.MixProject do
   def project do
     [
       app: :rudder,
-      version: "0.2.12",
+      version: "0.2.13",
       elixir: "~> 1.14.3",
       start_permanent: Mix.env() == :prod,
       deps: deps()
diff --git a/mix.lock b/mix.lock
index ff06660f..76e2484a 100644
--- a/mix.lock
+++ b/mix.lock
@@ -27,7 +27,7 @@
   "file_system": {:hex, :file_system, "0.2.10", "fb082005a9cd1711c05b5248710f8826b02d7d1784e7c3451f9c1231d4fc162d", [:mix], [], "hexpm", "41195edbfb562a593726eda3b3e8b103a309b733ad25f3d642ba49696bf715dc"},
   "finch": {:hex, :finch, "0.16.0", "40733f02c89f94a112518071c0a91fe86069560f5dbdb39f9150042f44dcfb1a", [:mix], [{:castore, "~> 0.1 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: false]}, {:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:mint, "~> 1.3", [hex: :mint, repo: "hexpm", optional: false]}, {:nimble_options, "~> 0.4 or ~> 1.0", [hex: :nimble_options, repo: "hexpm", optional: false]}, {:nimble_pool, "~> 0.2.6 or ~> 1.0", [hex: :nimble_pool, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "f660174c4d519e5fec629016054d60edd822cdfe2b7270836739ac2f97735ec5"},
   "gen_stage": {:hex, :gen_stage, "1.2.1", "19d8b5e9a5996d813b8245338a28246307fd8b9c99d1237de199d21efc4c76a1", [:mix], [], "hexpm", "83e8be657fa05b992ffa6ac1e3af6d57aa50aace8f691fcf696ff02f8335b001"},
-  "gettext": {:hex, :gettext, "0.22.2", "6bfca374de34ecc913a28ba391ca184d88d77810a3e427afa8454a71a51341ac", [:mix], [{:expo, "~> 0.4.0", [hex: :expo, repo: "hexpm", optional: false]}], "hexpm", "8a2d389673aea82d7eae387e6a2ccc12660610080ae7beb19452cfdc1ec30f60"},
+  "gettext": {:hex, :gettext, "0.22.3", "c8273e78db4a0bb6fba7e9f0fd881112f349a3117f7f7c598fa18c66c888e524", [:mix], [{:expo, "~> 0.4.0", [hex: :expo, repo: "hexpm", optional: false]}], "hexpm", "935f23447713954a6866f1bb28c3a878c4c011e802bcd68a726f5e558e4b64bd"},
   "hackney": {:hex, :hackney, "1.18.1", "f48bf88f521f2a229fc7bae88cf4f85adc9cd9bcf23b5dc8eb6a1788c662c4f6", [:rebar3], [{:certifi, "~> 2.9.0", [hex: :certifi, repo: "hexpm", optional: false]}, {:idna, "~> 6.1.0", [hex: :idna, repo: "hexpm", optional: false]}, {:metrics, "~> 1.0.0", [hex: :metrics, repo: "hexpm", optional: false]}, {:mimerl, "~> 1.1", [hex: :mimerl, repo: "hexpm", optional: false]}, {:parse_trans, "3.3.1", [hex: :parse_trans, repo: "hexpm", optional: false]}, {:ssl_verify_fun, "~> 1.1.0", [hex: :ssl_verify_fun, repo: "hexpm", optional: false]}, {:unicode_util_compat, "~> 0.7.0", [hex: :unicode_util_compat, repo: "hexpm", optional: false]}], "hexpm", "a4ecdaff44297e9b5894ae499e9a070ea1888c84afdd1fd9b7b2bc384950128e"},
   "hpax": {:hex, :hpax, "0.1.2", "09a75600d9d8bbd064cdd741f21fc06fc1f4cf3d0fcc335e5aa19be1a7235c84", [:mix], [], "hexpm", "2c87843d5a23f5f16748ebe77969880e29809580efdaccd615cd3bed628a8c13"},
   "httpoison": {:hex, :httpoison, "1.8.2", "9eb9c63ae289296a544842ef816a85d881d4a31f518a0fec089aaa744beae290", [:mix], [{:hackney, "~> 1.17", [hex: :hackney, repo: "hexpm", optional: false]}], "hexpm", "2bb350d26972e30c96e2ca74a1aaf8293d61d0742ff17f01e0279fef11599921"},