diff --git a/.jest/setEnvVars.js b/.jest/setEnvVars.js
index 6f0a53d..9e6ed11 100644
--- a/.jest/setEnvVars.js
+++ b/.jest/setEnvVars.js
@@ -2,5 +2,5 @@ process.env.ENABLE_JSON_LOGS = false;
 process.env.ENABLE_PERFORMANCE_TRACKING = false;
 process.env.PRINT_DIAGNOSTIC_INFO = false;
 process.env.ARWEAVE_KEYS_JWK = JSON.stringify({ e: "e", kty: "kty", n: "n" });
-process.env.ETHEREUM_PRIVATE_KEY =
+process.env.ECDSA_PRIVATE_KEY =
   "0x1111111111111111111111111111111111111111111111111111111111111111";
diff --git a/Dockerfile.public b/Dockerfile.public
index d7920a8..00ead3a 100644
--- a/Dockerfile.public
+++ b/Dockerfile.public
@@ -27,7 +27,7 @@ ENV MANIFEST_REFRESH_INTERVAL=120000
 ENV ARWEAVE_KEYS_FILE_PATH=
 ENV ARWEAVE_KEYS_JWK=
 ENV OVERRIDE_MANIFEST_USING_FILE=./manifests/dev.json
-ENV ETHEREUM_PRIVATE_KEY=
+ENV ECDSA_PRIVATE_KEY=
 ENV TWELVE_DATA_RAPID_API_KEY=
 
 # Exposing 8080 port for health checks
diff --git a/docs/COMPILED_ORACLE_DOCS.md b/docs/COMPILED_ORACLE_DOCS.md
index 90943c9..9dfc4fb 100644
--- a/docs/COMPILED_ORACLE_DOCS.md
+++ b/docs/COMPILED_ORACLE_DOCS.md
@@ -415,7 +415,7 @@ Env variables should be treated as **private**, especially all keys and JWKs. Th
 | ARWEAVE_KEYS_JWK             | required if ARWEAVE_KEYS_FILE_PATH not provided |               | JWK of arweave wallet (helpful with Docker)                                                        |
 | OVERRIDE_MANIFEST_USING_FILE |                    optional                     |               | path to the manifest file, if not specified manifest is loaded from smart contract                 |
 | MANIFEST_REFRESH_INTERVAL    |                    optional                     | 120000        | if manifest is loaded from smart contracts it defines how often node will check for new manifest   |
-| ETHEREUM_PRIVATE_KEY         |                    required                     |               | Ethereum private key that will be used for price data signing                                      |
+| ECDSA_PRIVATE_KEY            |                    required                     |               | Ethereum private key that will be used for price data signing                                      |
 | TWELVE_DATA_RAPID_API_KEY    |                    optional                     |               | Twelve data API key which will be used to fetch prices                                             |
 
 Check out the [.env.example](../.env.example)
@@ -484,7 +484,7 @@ ENV MANIFEST_REFRESH_INTERVAL=120000
 ENV ARWEAVE_KEYS_FILE_PATH=
 ENV ARWEAVE_KEYS_JWK=
 ENV OVERRIDE_MANIFEST_USING_FILE=
-ENV ETHEREUM_PRIVATE_KEY=
+ENV ECDSA_PRIVATE_KEY=
 ENV TWELVE_DATA_RAPID_API_KEY=
 ```
 
diff --git a/docs/DOCKER.md b/docs/DOCKER.md
index d81061b..7114863 100644
--- a/docs/DOCKER.md
+++ b/docs/DOCKER.md
@@ -10,6 +10,6 @@ ENV MANIFEST_REFRESH_INTERVAL=120000
 ENV ARWEAVE_KEYS_FILE_PATH=
 ENV ARWEAVE_KEYS_JWK=
 ENV OVERRIDE_MANIFEST_USING_FILE=
-ENV ETHEREUM_PRIVATE_KEY=
+ENV ECDSA_PRIVATE_KEY=
 ENV TWELVE_DATA_RAPID_API_KEY=
 ```
diff --git a/docs/PREPARE_ENV_VARIABLES.md b/docs/PREPARE_ENV_VARIABLES.md
index 14182bd..509fed0 100644
--- a/docs/PREPARE_ENV_VARIABLES.md
+++ b/docs/PREPARE_ENV_VARIABLES.md
@@ -11,7 +11,7 @@ Env variables should be treated as **private**, especially all keys and JWKs. Th
 | ARWEAVE_KEYS_JWK             | required if ARWEAVE_KEYS_FILE_PATH not provided |               | JWK of arweave wallet (helpful with Docker)                                                        |
 | OVERRIDE_MANIFEST_USING_FILE |                    optional                     |               | path to the manifest file, if not specified manifest is loaded from smart contract                 |
 | MANIFEST_REFRESH_INTERVAL    |                    optional                     | 120000        | if manifest is loaded from smart contracts it defines how often node will check for new manifest   |
-| ETHEREUM_PRIVATE_KEY         |                    required                     |               | Ethereum private key that will be used for price data signing                                      |
+| ECDSA_PRIVATE_KEY            |                    required                     |               | Ethereum private key that will be used for price data signing                                      |
 | TWELVE_DATA_RAPID_API_KEY    |                    optional                     |               | Twelve data API key which will be used to fetch prices                                             |
 
 Check out the [.env.example](../.env.example)
diff --git a/docs/translations/chinese/RedStone节点说明文档.md b/docs/translations/chinese/RedStone节点说明文档.md
index de8d0b3..f9f2fb0 100644
--- a/docs/translations/chinese/RedStone节点说明文档.md
+++ b/docs/translations/chinese/RedStone节点说明文档.md
@@ -653,7 +653,7 @@ ENV MANIFEST_REFRESH_INTERVAL=120000
 ENV ARWEAVE_KEYS_FILE_PATH=
 ENV ARWEAVE_KEYS_JWK=
 ENV OVERRIDE_MANIFEST_USING_FILE=
-ENV ETHEREUM_PRIVATE_KEY=
+ENV ECDSA_PRIVATE_KEY=
 ENV TWELVE_DATA_RAPID_API_KEY=
 ```
 
diff --git a/src/config.ts b/src/config.ts
index ace8cb7..0f0a731 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -2,6 +2,7 @@ import "dotenv/config";
 import { JWKInterface } from "arweave/node/lib/wallet";
 import { Manifest, NodeConfig } from "./types";
 import { readJSON } from "./utils/objects";
+import { ethers } from "ethers";
 
 const DEFAULT_ENABLE_PERFORMANCE_TRACKING = "true";
 const DEFAULT_ENABLE_JSON_LOGS = "true";
@@ -34,6 +35,13 @@ const parserFromString = {
     }
     return value === "true";
   },
+  hex(value: string): string {
+    const hexValue = value.startsWith("0x") ? value : `0x${value}`;
+    if (!ethers.utils.isHexString(hexValue)) {
+      throw new Error(`Invalid hex value: ${hexValue}`);
+    }
+    return hexValue;
+  },
 };
 
 const getOptionallyManifestData = () => {
@@ -85,6 +93,6 @@ export const config: NodeConfig = Object.freeze({
   },
   privateKeys: {
     arweaveJwk: getArweaveWallet(),
-    ethereumPrivateKey: getFromEnv("ETHEREUM_PRIVATE_KEY"),
+    ethereumPrivateKey: parserFromString.hex(getFromEnv("ECDSA_PRIVATE_KEY")),
   },
 });