diff --git a/Cargo.lock b/Cargo.lock
index 598ea77..570bb45 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -120,7 +120,7 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "availability-oracle"
-version = "0.3.0"
+version = "0.3.4"
 dependencies = [
  "async-trait",
  "bytes 1.3.0",
@@ -132,6 +132,7 @@ dependencies = [
  "moka",
  "multibase",
  "reqwest",
+ "secp256k1",
  "serde",
  "serde_derive",
  "serde_json",
diff --git a/README.md b/README.md
index af3481d..4b5912f 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@ The Subgraph Oracle verifies the availability of the subgraph files and does oth
 
 ```
 USAGE:
-    availability-oracle [FLAGS] [OPTIONS] --contracts <contracts> --ipfs <ipfs> --oracle <oracle> --signing-key <signing-key> --subgraph <subgraph>
+    availability-oracle [FLAGS] [OPTIONS] --contracts <contracts> --ipfs <ipfs> --signing-key <signing-key> --subgraph <subgraph>
 
 FLAGS:
         --dry-run    log the results but not send a transaction to the rewards manager
@@ -30,9 +30,6 @@ OPTIONS:
         --min-signal <min-signal>
             Minimum signal for a subgraph to be checked [env: ORACLE_MIN_SIGNAL=]  [default: 100]
 
-    -o, --oracle <oracle>
-            The address used by by the oracle to sign transactions [env: ORACLE_ADDRESS=]
-
         --period <period>
             How often the oracle should check the subgraphs. With the default value of 0, the oracle will run once and
             terminate [env: ORACLE_PERIOD_SECS=]  [default: 0]
diff --git a/availability-oracle/Cargo.toml b/availability-oracle/Cargo.toml
index 17943fe..924225b 100644
--- a/availability-oracle/Cargo.toml
+++ b/availability-oracle/Cargo.toml
@@ -26,3 +26,4 @@ wasmparser = "0.74.0"
 multibase = "0.8.0"
 moka = { version = "0.8", features = ["future"] }
 graphql-parser = "0.4.0"
+secp256k1 = "0.20.3"
diff --git a/availability-oracle/src/main.rs b/availability-oracle/src/main.rs
index e89ceca..8034aac 100644
--- a/availability-oracle/src/main.rs
+++ b/availability-oracle/src/main.rs
@@ -7,10 +7,12 @@ mod util;
 
 use common::prelude::*;
 use common::prometheus;
+use common::web3::signing::Key;
 use contract::*;
 use ipfs::*;
 use manifest::{Abi, DataSource, Manifest, Mapping};
 use network_subgraph::*;
+use secp256k1::key::SecretKey;
 use std::sync::Arc;
 use std::time::{Duration, Instant};
 use std::{fmt::Display, str::FromStr};
@@ -94,15 +96,6 @@ struct Config {
     )]
     contracts: Option<common::contracts::ContractConfig>,
 
-    #[structopt(
-        short,
-        long,
-        env = "ORACLE_ADDRESS",
-        required_unless("dry-run"),
-        help = "The address used by by the oracle to sign transactions"
-    )]
-    oracle: Option<Address>,
-
     #[structopt(
         long,
         env = "ORACLE_SIGNING_KEY",
@@ -151,10 +144,10 @@ async fn run(logger: Logger, config: Config) -> Result<()> {
     let subgraph = NetworkSubgraphImpl::new(logger.clone(), config.subgraph);
     let contract: Box<dyn RewardsManager> = match config.dry_run {
         false => {
-            let signing_key = &config.signing_key.unwrap().parse()?;
+            let signing_key: &SecretKey = &config.signing_key.unwrap().parse()?;
             let contracts_config = config.contracts.unwrap();
             let web3_context =
-                Web3Context::new(&contracts_config.url, config.oracle.unwrap(), signing_key)?;
+                Web3Context::new(&contracts_config.url, signing_key.address(), signing_key)?;
             let contracts = Contracts::new(contracts_config, web3_context);
             Box::new(RewardsManagerContract::new(contracts))
         }