diff --git a/.cargo/config.toml b/.cargo/config.toml
index f2cca09..c804d33 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -1,6 +1,7 @@
 # https://github.com/rust-lang/cargo/issues/5034#issuecomment-927105016
 [target.'cfg(feature = "cargo-clippy")']
 rustflags = [
+    "-Aclippy::derive_partial_eq_without_eq",
     "-Aclippy::len_zero",
     "-Aclippy::let_and_return",
     "-Aclippy::map_entry",
diff --git a/src/mastodon_api/oauth/views.rs b/src/mastodon_api/oauth/views.rs
index eb70726..9246502 100644
--- a/src/mastodon_api/oauth/views.rs
+++ b/src/mastodon_api/oauth/views.rs
@@ -10,8 +10,8 @@ use crate::models::users::queries::{
     get_user_by_name,
     get_user_by_wallet_address,
 };
-use crate::models::users::types::validate_wallet_address;
 use crate::utils::crypto::verify_password;
+use crate::utils::currencies::validate_wallet_address;
 use super::types::{TokenRequest, TokenResponse};
 use super::utils::generate_access_token;
 
@@ -36,7 +36,7 @@ async fn token_view(
             // DEPRECATED
             let wallet_address = request_data.wallet_address.as_ref()
                 .ok_or(ValidationError("wallet address is required"))?;
-            validate_wallet_address(wallet_address)?;
+            validate_wallet_address(&config.default_currency(), wallet_address)?;
             get_user_by_wallet_address(db_client, wallet_address).await?
         },
         "eip4361" => {
diff --git a/src/mastodon_api/search/helpers.rs b/src/mastodon_api/search/helpers.rs
index 7152a09..67ea5d0 100644
--- a/src/mastodon_api/search/helpers.rs
+++ b/src/mastodon_api/search/helpers.rs
@@ -22,10 +22,8 @@ use crate::models::profiles::queries::{
     search_profile_by_wallet_address,
 };
 use crate::models::profiles::types::DbActorProfile;
-use crate::models::users::types::{
-    validate_wallet_address,
-    User,
-};
+use crate::models::users::types::User;
+use crate::utils::currencies::{validate_wallet_address, Currency};
 use super::types::SearchResults;
 
 enum SearchQuery {
@@ -60,7 +58,11 @@ fn parse_search_query(search_query: &str) -> SearchQuery {
     if Url::parse(search_query).is_ok() {
         return SearchQuery::Url(search_query.to_string());
     };
-    if validate_wallet_address(&search_query.to_lowercase()).is_ok() {
+    // TODO: support other currencies
+    if validate_wallet_address(
+        &Currency::Ethereum,
+        &search_query.to_lowercase(),
+    ).is_ok() {
         return SearchQuery::WalletAddress(search_query.to_string());
     };
     match parse_profile_query(search_query) {
@@ -163,11 +165,11 @@ pub async fn search(
             };
         },
         SearchQuery::WalletAddress(address) => {
-            // Search by wallet address, assuming default currency (ethereum)
+            // Search by wallet address, assuming it's ethereum address
             // TODO: support other currencies
             profiles = search_profile_by_wallet_address(
                 db_client,
-                &config.default_currency(),
+                &Currency::Ethereum,
                 &address,
                 false,
             ).await?;
diff --git a/src/models/users/types.rs b/src/models/users/types.rs
index 6057f7d..1fdd5e6 100644
--- a/src/models/users/types.rs
+++ b/src/models/users/types.rs
@@ -71,16 +71,6 @@ pub fn validate_local_username(username: &str) -> Result<(), ValidationError> {
     Ok(())
 }
 
-/// Verifies that wallet address is valid ethereum address
-pub fn validate_wallet_address(wallet_address: &str) -> Result<(), ValidationError> {
-    // Address should be lowercase
-    let address_regexp = Regex::new(r"^0x[a-f0-9]{40}$").unwrap();
-    if !address_regexp.is_match(wallet_address) {
-        return Err(ValidationError("address is not lowercase"));
-    };
-    Ok(())
-}
-
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -101,14 +91,4 @@ mod tests {
         let result_2 = validate_local_username("name&");
         assert_eq!(result_2.is_ok(), false);
     }
-
-    #[test]
-    fn test_validate_wallet_address() {
-        let result_1 = validate_wallet_address("0xab5801a7d398351b8be11c439e05c5b3259aec9b");
-        assert_eq!(result_1.is_ok(), true);
-        let result_2 = validate_wallet_address("ab5801a7d398351b8be11c439e05c5b3259aec9b");
-        assert_eq!(result_2.is_ok(), false);
-        let result_3 = validate_wallet_address("0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B");
-        assert_eq!(result_3.is_ok(), false);
-    }
 }
diff --git a/src/utils/currencies.rs b/src/utils/currencies.rs
index 7aa99a6..1ece1b9 100644
--- a/src/utils/currencies.rs
+++ b/src/utils/currencies.rs
@@ -1,6 +1,8 @@
 use std::convert::TryFrom;
 
-use crate::errors::ConversionError;
+use regex::Regex;
+
+use crate::errors::{ConversionError, ValidationError};
 use super::caip2::ChainId;
 
 #[derive(Debug, PartialEq)]
@@ -58,6 +60,22 @@ impl TryFrom<&ChainId> for Currency {
     }
 }
 
+pub fn validate_wallet_address(
+    currency: &Currency,
+    wallet_address: &str,
+) -> Result<(), ValidationError> {
+    match currency {
+        Currency::Ethereum => {
+            // Address should be lowercase
+            let address_regexp = Regex::new(r"^0x[a-f0-9]{40}$").unwrap();
+            if !address_regexp.is_match(wallet_address) {
+                return Err(ValidationError("address is not lowercase"));
+            };
+        },
+    };
+    Ok(())
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -75,4 +93,15 @@ mod tests {
         let ethereum = Currency::Ethereum;
         assert_eq!(ethereum.field_name(), "$ETH");
     }
+
+    #[test]
+    fn test_validate_wallet_address() {
+        let ethereum = Currency::Ethereum;
+        let result_1 = validate_wallet_address(&ethereum, "0xab5801a7d398351b8be11c439e05c5b3259aec9b");
+        assert_eq!(result_1.is_ok(), true);
+        let result_2 = validate_wallet_address(&ethereum, "ab5801a7d398351b8be11c439e05c5b3259aec9b");
+        assert_eq!(result_2.is_ok(), false);
+        let result_3 = validate_wallet_address(&ethereum, "0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B");
+        assert_eq!(result_3.is_ok(), false);
+    }
 }