diff --git a/Sources/Web3Core/Structure/EventLog/EventLog.swift b/Sources/Web3Core/Structure/EventLog/EventLog.swift
index b68052bcf..79be052f1 100644
--- a/Sources/Web3Core/Structure/EventLog/EventLog.swift
+++ b/Sources/Web3Core/Structure/EventLog/EventLog.swift
@@ -16,7 +16,7 @@ import BigInt
 ///         - `0x000000000000000000000000d5395c132c791a7f46fa8fc27f0ab6bacd824484]`
 ///    - `transactionHash = 0x9f7bb2633abb3192d35f65e50a96f9f7ca878fa2ee7bf5d3fca489c0c60dc79a;`
 ///    - `transactionIndex = 0x99;`
-public struct EventLog: Decodable {
+public struct EventLog: Decodable, Sendable {
     public var address: EthereumAddress
     public var blockHash: Data
     public var blockNumber: BigUInt
diff --git a/Sources/Web3Core/Structure/Transaction/TransactionReceipt.swift b/Sources/Web3Core/Structure/Transaction/TransactionReceipt.swift
index 9390134a9..c7bf16058 100644
--- a/Sources/Web3Core/Structure/Transaction/TransactionReceipt.swift
+++ b/Sources/Web3Core/Structure/Transaction/TransactionReceipt.swift
@@ -8,7 +8,7 @@
 import Foundation
 import BigInt
 
-public struct TransactionReceipt {
+public struct TransactionReceipt: Sendable {
     public var transactionHash: Data
     public var blockHash: Data
     public var blockNumber: BigUInt
@@ -27,7 +27,7 @@ public struct TransactionReceipt {
 }
 
 extension TransactionReceipt {
-    public enum TXStatus {
+    public enum TXStatus: Sendable {
         case ok
         case failed
         case notYetProcessed
diff --git a/Sources/Web3Core/Transaction/EthereumBloomFilter.swift b/Sources/Web3Core/Transaction/EthereumBloomFilter.swift
index 30bff1f78..ba7c7f136 100755
--- a/Sources/Web3Core/Transaction/EthereumBloomFilter.swift
+++ b/Sources/Web3Core/Transaction/EthereumBloomFilter.swift
@@ -17,7 +17,7 @@ import CryptoSwift
 /// Bloom filter can be calculated for any set of data. In case of Ethereum blockchain it could be a set of addresses, event topics  etc.
 ///
 /// A definition of [Bloom filter](https://en.wikipedia.org/wiki/Bloom_filter#:~:text=A%20Bloom%20filter%20is%20a,a%20member%20of%20a%20set.).
-public struct EthereumBloomFilter {
+public struct EthereumBloomFilter: Sendable {
     static let mask = BigUInt(2047)
     /// Bloom filter.
     public var bytes = Data(repeatElement(UInt8(0), count: 256))