diff --git a/Package.resolved b/Package.resolved
index bc19a1f..3d78550 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -10,22 +10,13 @@
           "version": "5.3.0"
         }
       },
-      {
-        "package": "CryptoSwift",
-        "repositoryURL": "https://github.com/krzyzanowskim/CryptoSwift.git",
-        "state": {
-          "branch": null,
-          "revision": "32f641cf24fc7abc1c591a2025e9f2f572648b0f",
-          "version": "1.7.2"
-        }
-      },
       {
         "package": "curvelib.swift",
         "repositoryURL": "https://github.com/tkey/curvelib.swift",
         "state": {
           "branch": null,
-          "revision": "7dad3bf1793de263f83406c08c18c9316abf082f",
-          "version": "0.1.2"
+          "revision": "2df9f638fd121b445ce3b410cd79ac4d0cfa94ed",
+          "version": "1.0.0"
         }
       },
       {
@@ -132,8 +123,8 @@
         "repositoryURL": "https://github.com/torusresearch/tss-client-swift.git",
         "state": {
           "branch": null,
-          "revision": "9590a1d784177d4679eca62d4dbfe781e9870c40",
-          "version": "2.0.2"
+          "revision": "30e7ec88b5b854581f2f1dc074cea00462f4142e",
+          "version": "3.0.0"
         }
       },
       {
diff --git a/Package.swift b/Package.swift
index c6b285c..8dd7807 100644
--- a/Package.swift
+++ b/Package.swift
@@ -14,7 +14,7 @@ let package = Package(
     ],
     dependencies: [
         .package(url: "https://github.com/argentlabs/web3.swift", from:"1.6.0"),
-        .package(url: "https://github.com/torusresearch/tss-client-swift.git", from: "2.0.2"),
+        .package(url: "https://github.com/torusresearch/tss-client-swift.git", from: "3.0.0"),
     ],
     targets: [
         .target(
diff --git a/Sources/Web3SwiftMpcProvider/EthereumTssAccount.swift b/Sources/Web3SwiftMpcProvider/EthereumTssAccount.swift
index 28e4a86..6d07a39 100644
--- a/Sources/Web3SwiftMpcProvider/EthereumTssAccount.swift
+++ b/Sources/Web3SwiftMpcProvider/EthereumTssAccount.swift
@@ -29,10 +29,13 @@ public final class EthereumTssAccount: EthereumAccountProtocol {
     /// - Parameters:
     ///   - params : Parameters used to initialize the account
     ///
-    public required init(params: EthTssAccountParams) {
+    public required init(params: EthTssAccountParams) throws {
         ethAccountParams = params
+        guard let publicKey = Data(hexString: ethAccountParams.publicKey) else {
+            throw CustomSigningError.generalError(error: "Cannot convert public key to data")
+        }
         // swiftlint:disable:next line_length
-        address = EthereumAddress(KeyUtil.generateAddress(from: Data(hex: ethAccountParams.publicKey).suffix(64)).toChecksumAddress())
+        address = EthereumAddress(KeyUtil.generateAddress(from: publicKey.suffix(64)).toChecksumAddress())
     }
 
     /// Signs using provided Data
@@ -44,7 +47,7 @@ public final class EthereumTssAccount: EthereumAccountProtocol {
     ///
     /// - Throws: On signing failure
     public func sign(data: Data) throws -> Data {
-        let hash = data.sha3(.keccak256)
+        let hash = try keccak256(data: data)
         let signature = try sign(message: hash)
         return signature
     }
@@ -58,7 +61,7 @@ public final class EthereumTssAccount: EthereumAccountProtocol {
     ///
     /// - Throws: On signing failure
     public func sign(hex: String) throws -> Data {
-        if let data = Data(hex: hex) {
+        if let data = Data(hexString: hex) {
             return try sign(data: data)
         } else {
             throw EthereumAccountError.signError
@@ -113,8 +116,11 @@ public final class EthereumTssAccount: EthereumAccountProtocol {
 
         try client.cleanup(signatures: ethAccountParams.authSigs)
 
+        guard let pk = Data(hexString: ethAccountParams.publicKey) else {
+            throw CustomSigningError.generalError(error: "Unable to convert public key to data")
+        }
         // swiftlint:disable:next line_length
-        let verified = TSSHelpers.verifySignature(msgHash: signingMessage, s: s, r: r, v: v, pubKey: Data(hex: ethAccountParams.publicKey))
+        let verified = TSSHelpers.verifySignature(msgHash: signingMessage, s: s, r: r, v: v, pubKey: pk)
         if !verified {
             throw EthereumSignerError.unknownError
         }
@@ -228,7 +234,7 @@ public final class EthereumTssAccount: EthereumAccountProtocol {
             throw CustomSigningError.generalError(error: "Could not generate random key for sessionID nonce")
         }
         let random = BigInt(sign: .plus, magnitude: randomKeyBigUint) + BigInt(Date().timeIntervalSince1970)
-        let sessionNonce = TSSHelpers.base64ToBase64url(base64: TSSHelpers.hashMessage(message: String(random)))
+        let sessionNonce = TSSHelpers.base64ToBase64url(base64: try TSSHelpers.hashMessage(message: String(random)))
         // create the full session string
         // swiftlint:disable:next line_length
         let session = TSSHelpers.assembleFullSession(verifier: params.verifier, verifierId: params.verifierID, tssTag: params.selectedTag, tssNonce: String(params.tssNonce), sessionNonce: sessionNonce)
@@ -249,11 +255,14 @@ public final class EthereumTssAccount: EthereumAccountProtocol {
         // swiftlint:disable:next line_length
         let denormalizeShare = try TSSHelpers.denormalizeShare(participatingServerDKGIndexes: nodeInd.map({ BigInt($0) }), userTssIndex: userTssIndex, userTssShare: share)
         // swiftlint:disable:next line_length
+        guard let pk = Data(hexString: params.publicKey) else {
+            throw CustomSigningError.generalError(error: "Unable to convert public key to data")
+        }
         let client = try TSSClient(session: session, index: Int32(clientIndex), parties: partyIndexes.map({ Int32($0) }),
                                    // swiftlint:disable:next line_length
                                    endpoints: urls.map({ URL(string: $0 ?? "") }), tssSocketEndpoints: socketUrls.map({ URL(string: $0 ?? "") }),
                                    // swiftlint:disable:next line_length
-                                   share: TSSHelpers.base64Share(share: denormalizeShare), pubKey: try TSSHelpers.base64PublicKey(pubKey: Data(hex: params.publicKey)))
+                                   share: TSSHelpers.base64Share(share: denormalizeShare), pubKey: try TSSHelpers.base64PublicKey(pubKey: pk))
 
         return (client, coeffs)
     }