diff --git a/package-lock.json b/package-lock.json
index 13ae75c..2a1db5d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,26 +1,26 @@
 {
   "name": "@itheum/sdk-mx-data-nft",
-  "version": "2.4.1",
+  "version": "2.5.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@itheum/sdk-mx-data-nft",
-      "version": "2.4.1",
+      "version": "2.5.0",
       "license": "GPL-3.0-only",
       "dependencies": {
-        "@multiversx/sdk-core": "12.11.0",
-        "@multiversx/sdk-network-providers": "2.0.0",
+        "@multiversx/sdk-core": "12.17.0",
+        "@multiversx/sdk-network-providers": "2.2.0",
         "bignumber.js": "9.1.2",
         "nft.storage": "7.1.1"
       },
       "devDependencies": {
-        "@types/jest": "29.5.4",
+        "@types/jest": "29.5.11",
         "jest": "29.7.0",
         "ts-jest": "29.1.1",
         "tslint": "6.1.3",
-        "typedoc": "0.25.1",
-        "typescript": "5.2.2"
+        "typedoc": "0.25.4",
+        "typescript": "5.3.3"
       }
     },
     "node_modules/@ampproject/remapping": {
@@ -1042,9 +1042,9 @@
       }
     },
     "node_modules/@multiversx/sdk-core": {
-      "version": "12.11.0",
-      "resolved": "https://registry.npmjs.org/@multiversx/sdk-core/-/sdk-core-12.11.0.tgz",
-      "integrity": "sha512-rQRvjx6f1AE8TK5LObxthP7hCUCf6bc9QBAmiOJJ1Na5VS1iPhm5jDqnlCa7oieMb1HYdHQAEkoWNSsPKe/8vA==",
+      "version": "12.17.0",
+      "resolved": "https://registry.npmjs.org/@multiversx/sdk-core/-/sdk-core-12.17.0.tgz",
+      "integrity": "sha512-SdIdUMT4hVgcmNF2uNOZusrxwEJXFtllJ9YOQMJ4V0f1Ajq4fYGWv88OfNGGNaH/I0BAvMZKFsfVL4zgtVekmQ==",
       "dependencies": {
         "@multiversx/sdk-transaction-decoder": "1.0.2",
         "bech32": "1.1.4",
@@ -1093,25 +1093,17 @@
       }
     },
     "node_modules/@multiversx/sdk-network-providers": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/@multiversx/sdk-network-providers/-/sdk-network-providers-2.0.0.tgz",
-      "integrity": "sha512-87QlwC2kaNtywDv2IVX/cavRfR4D5N7XgqOvsZTyMXRVbfWOUlDocrRr5BdvmC1gDdSOQH++nFEDHiMfnKmRng==",
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/@multiversx/sdk-network-providers/-/sdk-network-providers-2.2.0.tgz",
+      "integrity": "sha512-2n/+7Ap6S9rJGTiX38GCZ2TmY9zQ1U7o1DwnWpHNRJRxArSN/xzLrbcSKy8InMyc+4A+VHf5pV0Pk8NdPV6++w==",
       "dependencies": {
-        "axios": "0.24.0",
+        "axios": "1.6.1",
         "bech32": "1.1.4",
         "bignumber.js": "9.0.1",
         "buffer": "6.0.3",
         "json-bigint": "1.0.0"
       }
     },
-    "node_modules/@multiversx/sdk-network-providers/node_modules/axios": {
-      "version": "0.24.0",
-      "resolved": "https://registry.npmjs.org/axios/-/axios-0.24.0.tgz",
-      "integrity": "sha512-Q6cWsys88HoPgAaFAVUb0WpPk0O8iTeisR9IMqy9G8AbO4NlpVknrnQS03zzF9PGAWgO3cgletO3VjV/P7VztA==",
-      "dependencies": {
-        "follow-redirects": "^1.14.4"
-      }
-    },
     "node_modules/@multiversx/sdk-network-providers/node_modules/bignumber.js": {
       "version": "9.0.1",
       "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-9.0.1.tgz",
@@ -1286,9 +1278,9 @@
       }
     },
     "node_modules/@types/jest": {
-      "version": "29.5.4",
-      "resolved": "https://registry.npmjs.org/@types/jest/-/jest-29.5.4.tgz",
-      "integrity": "sha512-PhglGmhWeD46FYOVLt3X7TiWjzwuVGW9wG/4qocPevXMjCmrIc5b6db9WjeGE4QYVpUAWMDv3v0IiBwObY289A==",
+      "version": "29.5.11",
+      "resolved": "https://registry.npmjs.org/@types/jest/-/jest-29.5.11.tgz",
+      "integrity": "sha512-S2mHmYIVe13vrm6q4kN6fLYYAka15ALQki/vgDC3mIukEOx8WJlv0kQPM+d4w8Gp6u0uSdKND04IlTXBv0rwnQ==",
       "dev": true,
       "dependencies": {
         "expect": "^29.0.0",
@@ -1509,6 +1501,11 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/asynckit": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
+      "integrity": "sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q=="
+    },
     "node_modules/available-typed-arrays": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/available-typed-arrays/-/available-typed-arrays-1.0.5.tgz",
@@ -1520,6 +1517,16 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/axios": {
+      "version": "1.6.1",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-1.6.1.tgz",
+      "integrity": "sha512-vfBmhDpKafglh0EldBEbVuoe7DyAavGSLWhuSm5ZSEKQnHhBf0xAAwybbNH1IkrJNGnS/VG4I5yxig1pCEXE4g==",
+      "dependencies": {
+        "follow-redirects": "^1.15.0",
+        "form-data": "^4.0.0",
+        "proxy-from-env": "^1.1.0"
+      }
+    },
     "node_modules/babel-jest": {
       "version": "29.7.0",
       "resolved": "https://registry.npmjs.org/babel-jest/-/babel-jest-29.7.0.tgz",
@@ -1994,6 +2001,17 @@
       "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
       "dev": true
     },
+    "node_modules/combined-stream": {
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
+      "integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
+      "dependencies": {
+        "delayed-stream": "~1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
     "node_modules/commander": {
       "version": "2.20.3",
       "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
@@ -2124,6 +2142,14 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/delayed-stream": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
+      "integrity": "sha512-ZySD7Nf91aLB0RxL4KGrKHBXl7Eds1DAmEdcoVawXnLD7SDhpNgtuII2aAkg7a7QS41jxPSZ17p4VdGnMHk3MQ==",
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
     "node_modules/detect-newline": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/detect-newline/-/detect-newline-3.1.0.tgz",
@@ -2349,9 +2375,9 @@
       }
     },
     "node_modules/follow-redirects": {
-      "version": "1.15.2",
-      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.2.tgz",
-      "integrity": "sha512-VQLG33o04KaQ8uYi2tVNbdrWp1QWxNNea+nmIB4EVM28v0hmP17z7aG1+wAkNzVq4KeXTq3221ye5qTJP91JwA==",
+      "version": "1.15.3",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.3.tgz",
+      "integrity": "sha512-1VzOtuEM8pC9SFU1E+8KfTjZyMztRsgEfwQl44z8A25uy13jSzTj6dyK2Df52iV0vgHCfBwLhDWevLn95w5v6Q==",
       "funding": [
         {
           "type": "individual",
@@ -2375,6 +2401,19 @@
         "is-callable": "^1.1.3"
       }
     },
+    "node_modules/form-data": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.0.tgz",
+      "integrity": "sha512-ETEklSGi5t0QMZuiXoA/Q6vcnxcLQP5vdugSpuAyi6SVGi2clPPp+xgEhuMaHC+zGgn31Kd235W35f7Hykkaww==",
+      "dependencies": {
+        "asynckit": "^0.4.0",
+        "combined-stream": "^1.0.8",
+        "mime-types": "^2.1.12"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
     "node_modules/fs.realpath": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
@@ -4090,6 +4129,25 @@
         "node": ">=8.6"
       }
     },
+    "node_modules/mime-db": {
+      "version": "1.52.0",
+      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
+      "integrity": "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/mime-types": {
+      "version": "2.1.35",
+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
+      "integrity": "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==",
+      "dependencies": {
+        "mime-db": "1.52.0"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
     "node_modules/mimic-fn": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/mimic-fn/-/mimic-fn-2.1.0.tgz",
@@ -4654,6 +4712,11 @@
         "pbts": "bin/pbts"
       }
     },
+    "node_modules/proxy-from-env": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-1.1.0.tgz",
+      "integrity": "sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg=="
+    },
     "node_modules/pure-rand": {
       "version": "6.0.3",
       "resolved": "https://registry.npmjs.org/pure-rand/-/pure-rand-6.0.3.tgz",
@@ -5472,9 +5535,9 @@
       }
     },
     "node_modules/typedoc": {
-      "version": "0.25.1",
-      "resolved": "https://registry.npmjs.org/typedoc/-/typedoc-0.25.1.tgz",
-      "integrity": "sha512-c2ye3YUtGIadxN2O6YwPEXgrZcvhlZ6HlhWZ8jQRNzwLPn2ylhdGqdR8HbyDRyALP8J6lmSANILCkkIdNPFxqA==",
+      "version": "0.25.4",
+      "resolved": "https://registry.npmjs.org/typedoc/-/typedoc-0.25.4.tgz",
+      "integrity": "sha512-Du9ImmpBCw54bX275yJrxPVnjdIyJO/84co0/L9mwe0R3G4FSR6rQ09AlXVRvZEGMUg09+z/usc8mgygQ1aidA==",
       "dev": true,
       "dependencies": {
         "lunr": "^2.3.9",
@@ -5489,7 +5552,7 @@
         "node": ">= 16"
       },
       "peerDependencies": {
-        "typescript": "4.6.x || 4.7.x || 4.8.x || 4.9.x || 5.0.x || 5.1.x || 5.2.x"
+        "typescript": "4.6.x || 4.7.x || 4.8.x || 4.9.x || 5.0.x || 5.1.x || 5.2.x || 5.3.x"
       }
     },
     "node_modules/typedoc/node_modules/brace-expansion": {
@@ -5517,9 +5580,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.2.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.2.2.tgz",
-      "integrity": "sha512-mI4WrpHsbCIcwT9cF4FZvr80QUeKvsUsUvKDoR+X/7XHQH98xYD8YHZg7ANtz2GtZt/CBq2QJ0thkGJMHfqc1w==",
+      "version": "5.3.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.3.3.tgz",
+      "integrity": "sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
diff --git a/package.json b/package.json
index 84c100b..330929e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@itheum/sdk-mx-data-nft",
-  "version": "2.4.1",
+  "version": "2.5.0",
   "description": "SDK for Itheum's Data NFT Technology on MultiversX Blockchain",
   "main": "out/index.js",
   "types": "out/index.d.js",
@@ -16,18 +16,18 @@
   "author": "Itheum Protocol",
   "license": "GPL-3.0-only",
   "dependencies": {
-    "@multiversx/sdk-core": "12.11.0",
-    "@multiversx/sdk-network-providers": "2.0.0",
+    "@multiversx/sdk-core": "12.17.0",
+    "@multiversx/sdk-network-providers": "2.2.0",
     "bignumber.js": "9.1.2",
     "nft.storage": "7.1.1"
   },
   "devDependencies": {
-    "@types/jest": "29.5.4",
+    "@types/jest": "29.5.11",
     "jest": "29.7.0",
     "ts-jest": "29.1.1",
     "tslint": "6.1.3",
-    "typedoc": "0.25.1",
-    "typescript": "5.2.2"
+    "typedoc": "0.25.4",
+    "typescript": "5.3.3"
   },
   "repository": {
     "type": "git",
diff --git a/src/common/mint-utils.ts b/src/common/mint-utils.ts
index 5cd7da2..32f6c44 100644
--- a/src/common/mint-utils.ts
+++ b/src/common/mint-utils.ts
@@ -1,4 +1,4 @@
-import { NFTStorage, File } from 'nft.storage';
+import { File, NFTStorage } from 'nft.storage';
 
 export async function dataNFTDataStreamAdvertise(
   dataNFTStreamUrl: string,
diff --git a/src/common/utils.ts b/src/common/utils.ts
index aaa3ec9..4c3cc83 100644
--- a/src/common/utils.ts
+++ b/src/common/utils.ts
@@ -1,7 +1,7 @@
 import BigNumber from 'bignumber.js';
 import { DataNft } from '../datanft';
-import { NftEnumType, NftType, Offer } from '../interfaces';
 import { ErrFetch, ErrMissingTrait, ErrMissingValueForTrait } from '../errors';
+import { NftEnumType, NftType, Offer } from '../interfaces';
 
 export function numberToPaddedHex(value: BigNumber.Value) {
   let hex = new BigNumber(value).toString(16);
@@ -56,6 +56,7 @@ export function parseDataNft(value: NftType): DataNft {
     nonce: value.nonce,
     collection: value.collection,
     balance: value.balance ? Number(value.balance) : 0,
+    owner: value.owner ? value.owner : '',
     ...DataNft.decodeAttributes(value.attributes)
   });
 }
@@ -362,7 +363,7 @@ export function validateSpecificParamsMint(params: {
   datasetDescription?: string | undefined;
   royalties?: number | undefined;
   supply?: number | undefined;
-  antiSpamTax?: number | undefined;
+  antiSpamTax?: BigNumber.Value | undefined;
   _mandatoryParamsList: string[]; // a pure JS fallback way to validate mandatory params, as typescript rules for mandatory can be bypassed by client app
 }): {
   allPassed: boolean;
diff --git a/src/datanft.ts b/src/datanft.ts
index 85f46de..e01ef6d 100644
--- a/src/datanft.ts
+++ b/src/datanft.ts
@@ -3,6 +3,14 @@ import {
   BinaryCodec,
   SignableMessage
 } from '@multiversx/sdk-core/out';
+import minterAbi from './abis/datanftmint.abi.json';
+import {
+  checkStatus,
+  createNftIdentifier,
+  numberToPaddedHex,
+  parseDataNft,
+  validateSpecificParamsViewData
+} from './common/utils';
 import {
   Config,
   EnvironmentsEnum,
@@ -10,22 +18,14 @@ import {
   dataNftTokenIdentifier,
   networkConfiguration
 } from './config';
-import {
-  createNftIdentifier,
-  numberToPaddedHex,
-  parseDataNft,
-  validateSpecificParamsViewData,
-  checkStatus
-} from './common/utils';
-import minterAbi from './abis/datanftmint.abi.json';
-import { NftType, ViewDataReturnType } from './interfaces';
 import {
   ErrAttributeNotSet,
   ErrDataNftCreate,
   ErrDecodeAttributes,
-  ErrFetch,
   ErrNetworkConfig
 } from './errors';
+import { NftType, ViewDataReturnType } from './interfaces';
+import BigNumber from 'bignumber.js';
 
 export class DataNft {
   readonly tokenIdentifier: string = '';
@@ -36,13 +36,14 @@ export class DataNft {
   readonly tokenName: string = '';
   readonly creator: string = '';
   readonly creationTime: Date = new Date();
-  readonly supply: number = 0;
+  readonly supply: BigNumber.Value = 0;
   readonly description: string = '';
   readonly title: string = '';
   readonly royalties: number = 0;
   readonly nonce: number = 0;
   readonly collection: string = '';
-  readonly balance: number = 0;
+  readonly balance: BigNumber.Value = 0;
+  readonly owner: string = ''; // works if tokenIdentifier is an NFT
 
   static networkConfiguration: Config;
   static apiConfiguration: string;
@@ -227,6 +228,26 @@ export class DataNft {
     return dataNfts;
   }
 
+  /**
+   *  Returns an array of `{address:string,balance:number}` representing the addresses that own the token
+   */
+  async getOwners(): Promise<{ address: string; balance: number }[]> {
+    if (!this.tokenIdentifier && !this.nonce) {
+      throw new ErrAttributeNotSet('tokenIdentifier, nonce');
+    }
+    const identifier = createNftIdentifier(this.tokenIdentifier, this.nonce);
+
+    const response = await fetch(
+      `${DataNft.apiConfiguration}/nfts/${identifier}/accounts`
+    );
+
+    checkStatus(response);
+
+    const data = await response.json();
+
+    return data;
+  }
+
   /**
    * Gets the message to sign from the data marshal of the DataNft
    */
diff --git a/src/index.ts b/src/index.ts
index 0159174..e42e430 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,7 +1,7 @@
-export * from './marketplace';
 export * from './config';
-export * from './interfaces';
 export * from './datanft';
+export * from './interfaces';
+export * from './marketplace';
 export * from './minter';
 export * from './nft-minter';
 export * from './sft-minter';
diff --git a/src/marketplace.ts b/src/marketplace.ts
index 84d24e8..2de0ebf 100644
--- a/src/marketplace.ts
+++ b/src/marketplace.ts
@@ -17,16 +17,17 @@ import {
   VariadicValue
 } from '@multiversx/sdk-core/out';
 import { ApiNetworkProvider } from '@multiversx/sdk-network-providers/out';
+import dataMarketAbi from './abis/data_market.abi.json';
+import { parseOffer } from './common/utils';
 import {
   EnvironmentsEnum,
-  networkConfiguration,
+  itheumTokenIdentifier,
   marketPlaceContractAddress,
-  itheumTokenIdentifier
+  networkConfiguration
 } from './config';
-import dataMarketAbi from './abis/data_market.abi.json';
-import { MarketplaceRequirements, Offer } from './interfaces';
-import { parseOffer } from './common/utils';
 import { ErrContractQuery, ErrNetworkConfig } from './errors';
+import { MarketplaceRequirements, Offer } from './interfaces';
+import BigNumber from 'bignumber.js';
 // import { ErrContractQuery } from './errors';
 
 export class DataNftMarket {
@@ -380,10 +381,10 @@ export class DataNftMarket {
     senderAddress: IAddress,
     dataNftIdentifier: string,
     dataNftNonce: number,
-    dataNftAmount: number,
+    dataNftAmount: BigNumber.Value,
     paymentTokenIdentifier: string,
     paymentTokenNonce: number,
-    paymentTokenAmount: number,
+    paymentTokenAmount: BigNumber.Value,
     minimumPaymentTokenAmount = 0
   ): Transaction {
     const addOfferTx = new Transaction({
@@ -421,8 +422,8 @@ export class DataNftMarket {
   acceptOfferWithESDT(
     senderAddress: IAddress,
     offerId: number,
-    amount: number,
-    price: string,
+    amount: BigNumber.Value,
+    price: BigNumber.Value,
     paymentTokenIdentifier = itheumTokenIdentifier[this.env as EnvironmentsEnum]
   ): Transaction {
     const data = new ContractCallPayloadBuilder()
@@ -456,8 +457,8 @@ export class DataNftMarket {
   acceptOfferWithEGLD(
     senderAddress: IAddress,
     offerId: number,
-    amount: number,
-    price: string
+    amount: BigNumber.Value,
+    price: BigNumber.Value
   ): Transaction {
     const data = new ContractCallPayloadBuilder()
       .setFunction(new ContractFunction('acceptOffer'))
@@ -486,7 +487,7 @@ export class DataNftMarket {
   acceptOfferWithNoPayment(
     senderAddress: IAddress,
     offerId: number,
-    amount: number
+    amount: BigNumber.Value
   ): Transaction {
     const data = new ContractCallPayloadBuilder()
       .setFunction(new ContractFunction('acceptOffer'))
@@ -543,7 +544,7 @@ export class DataNftMarket {
   changeOfferPrice(
     senderAddress: IAddress,
     offerId: number,
-    newPrice: number,
+    newPrice: BigNumber.Value,
     newMinimumPaymentTokenAmount = 0
   ): Transaction {
     const changePriceTx = new Transaction({
diff --git a/src/minter.ts b/src/minter.ts
index cbc57c9..4150596 100644
--- a/src/minter.ts
+++ b/src/minter.ts
@@ -1,29 +1,28 @@
 import {
-  SmartContract,
-  Address,
   AbiRegistry,
-  IAddress,
-  TokenIdentifierValue,
+  Address,
   AddressValue,
-  ResultsParser,
-  Transaction,
+  BigUIntValue,
+  BooleanValue,
   ContractCallPayloadBuilder,
   ContractFunction,
-  U64Value,
-  BigUIntValue,
+  IAddress,
+  ResultsParser,
+  SmartContract,
   StringValue,
-  BooleanValue
+  TokenIdentifierValue,
+  Transaction,
+  U64Value
 } from '@multiversx/sdk-core/out';
 import { ApiNetworkProvider } from '@multiversx/sdk-network-providers/out';
 import {
   EnvironmentsEnum,
   dataNftTokenIdentifier,
   imageService,
-  itheumTokenIdentifier,
   networkConfiguration
 } from './config';
-import { SftMinterRequirements } from './interfaces';
 import { ErrContractQuery, ErrNetworkConfig } from './errors';
+import BigNumber from 'bignumber.js';
 
 export abstract class Minter {
   readonly contract: SmartContract;
@@ -177,7 +176,7 @@ export abstract class Minter {
   burn(
     senderAddress: IAddress,
     dataNftNonce: number,
-    quantityToBurn: number,
+    quantityToBurn: BigNumber.Value,
     dataNftIdentifier = dataNftTokenIdentifier[this.env as EnvironmentsEnum]
   ): Transaction {
     const burnTx = new Transaction({
@@ -262,7 +261,7 @@ export abstract class Minter {
   setMintTax(
     senderAddress: IAddress,
     tokenIdentifier: string,
-    tax: number
+    tax: BigNumber.Value
   ): Transaction {
     const setMintTaxTx = new Transaction({
       value: 0,
@@ -289,8 +288,8 @@ export abstract class Minter {
    */
   setRoyaltiesLimits(
     senderAddress: IAddress,
-    minRoyalties: number,
-    maxRoyalties: number
+    minRoyalties: BigNumber.Value,
+    maxRoyalties: BigNumber.Value
   ): Transaction {
     const setRoyaltiesLimitsTx = new Transaction({
       value: 0,
@@ -332,6 +331,7 @@ export abstract class Minter {
   /** Creates a whitelist transaction for the contract
    * @param senderAddress The address of the sender, must be the admin of the contract
    * @param addresses The addresses to whitelist
+   * @param extraGas The extra gas to add to the transaction
    */
 
   whitelist(
@@ -358,6 +358,7 @@ export abstract class Minter {
   /**  Creates a remove whitelist transaction for the contract
    *  @param senderAddress The address of the sender, must be the admin of the contract
    *  @param addresses The addresses to remove from the whitelist
+   *  @param extraGas The extra gas to add to the transaction
    */
   removeWhitelist(
     senderAddress: IAddress,
diff --git a/src/nft-minter.ts b/src/nft-minter.ts
index edd8444..a02f122 100644
--- a/src/nft-minter.ts
+++ b/src/nft-minter.ts
@@ -1,5 +1,4 @@
 import {
-  Address,
   AddressValue,
   BigUIntValue,
   BooleanValue,
@@ -12,29 +11,22 @@ import {
   Transaction,
   U64Value
 } from '@multiversx/sdk-core/out';
-import { Minter } from './minter';
 import dataNftLeaseAbi from './abis/data-nft-lease.abi.json';
-import {
-  checkTraitsUrl,
-  checkUrlIsUp,
-  validateSpecificParamsMint
-} from './common/utils';
 import {
   createFileFromUrl,
   dataNFTDataStreamAdvertise,
   storeToIpfs
 } from './common/mint-utils';
 import {
-  ContractConfiguration,
-  NftMinterRequirements,
-  SftMinterRequirements
-} from './interfaces';
-import {
-  ErrArgumentNotSet,
-  ErrAttributeNotSet,
-  ErrContractQuery
-} from './errors';
+  checkTraitsUrl,
+  checkUrlIsUp,
+  validateSpecificParamsMint
+} from './common/utils';
 import { EnvironmentsEnum, itheumTokenIdentifier } from './config';
+import { ErrArgumentNotSet, ErrContractQuery } from './errors';
+import { ContractConfiguration, NftMinterRequirements } from './interfaces';
+import { Minter } from './minter';
+import BigNumber from 'bignumber.js';
 
 export class NftMinter extends Minter {
   /**
@@ -65,7 +57,7 @@ export class NftMinter extends Minter {
     claimsAddress: IAddress,
     options?: {
       taxTokenIdentifier: string;
-      taxTokenAmount: number;
+      taxTokenAmount: BigNumber.Value;
     }
   ): Transaction {
     let data;
@@ -186,7 +178,7 @@ export class NftMinter extends Minter {
       traitsUrl?: string;
       nftStorageToken?: string;
       antiSpamTokenIdentifier?: string;
-      antiSpamTax?: number;
+      antiSpamTax?: BigNumber.Value;
     }
   ): Promise<Transaction> {
     const {
@@ -278,7 +270,7 @@ export class NftMinter extends Minter {
       antiSpamTax &&
       antiSpamTokenIdentifier &&
       antiSpamTokenIdentifier != 'EGLD' &&
-      antiSpamTax > 0
+      antiSpamTax > BigNumber(0)
     ) {
       data = new ContractCallPayloadBuilder()
         .setFunction(new ContractFunction('ESDTTransfer'))
diff --git a/src/sft-minter.ts b/src/sft-minter.ts
index 17e60e2..0711a7d 100644
--- a/src/sft-minter.ts
+++ b/src/sft-minter.ts
@@ -11,25 +11,26 @@ import {
   Transaction,
   U64Value
 } from '@multiversx/sdk-core/out';
-import { Minter } from './minter';
-import {
-  EnvironmentsEnum,
-  itheumTokenIdentifier,
-  minterContractAddress
-} from './config';
 import dataNftMinterAbi from './abis/datanftmint.abi.json';
+import {
+  createFileFromUrl,
+  dataNFTDataStreamAdvertise,
+  storeToIpfs
+} from './common/mint-utils';
 import {
   checkTraitsUrl,
   checkUrlIsUp,
   validateSpecificParamsMint
 } from './common/utils';
 import {
-  createFileFromUrl,
-  dataNFTDataStreamAdvertise,
-  storeToIpfs
-} from './common/mint-utils';
+  EnvironmentsEnum,
+  itheumTokenIdentifier,
+  minterContractAddress
+} from './config';
 import { ErrArgumentNotSet, ErrContractQuery } from './errors';
 import { SftMinterRequirements } from './interfaces';
+import { Minter } from './minter';
+import BigNumber from 'bignumber.js';
 
 export class SftMinter extends Minter {
   /**
@@ -107,7 +108,7 @@ export class SftMinter extends Minter {
     collectionName: string,
     tokenTicker: string,
     antiSpamTaxTokenIdentifier: string,
-    antiSpamTaxTokenAmount: number,
+    antiSpamTaxTokenAmount: BigNumber.Value,
     mintLimit: number,
     treasury_address: IAddress
   ): Transaction {
@@ -158,7 +159,10 @@ export class SftMinter extends Minter {
    * @param senderAddress The address of the sender, must be the admin of the contract
    * @param maxSupply The maximum supply that can be minted
    */
-  setMaxSupply(senderAddress: IAddress, maxSupply: number): Transaction {
+  setMaxSupply(
+    senderAddress: IAddress,
+    maxSupply: BigNumber.Value
+  ): Transaction {
     const setMaxSupplyTx = new Transaction({
       value: 0,
       data: new ContractCallPayloadBuilder()
@@ -209,7 +213,7 @@ export class SftMinter extends Minter {
     supply: number,
     datasetTitle: string,
     datasetDescription: string,
-    antiSpamTax: number,
+    antiSpamTax: BigNumber.Value,
     options?: {
       imageUrl?: string;
       traitsUrl?: string;
@@ -307,7 +311,7 @@ export class SftMinter extends Minter {
     }
 
     let data;
-    if (antiSpamTax > 0) {
+    if (antiSpamTax > BigNumber(0)) {
       data = new ContractCallPayloadBuilder()
         .setFunction(new ContractFunction('ESDTTransfer'))
         .addArg(new TokenIdentifierValue(antiSpamTokenIdentifier))
diff --git a/tests/datanft.test.ts b/tests/datanft.test.ts
index f37f037..bddcebf 100644
--- a/tests/datanft.test.ts
+++ b/tests/datanft.test.ts
@@ -71,13 +71,24 @@ describe('Data NFT test', () => {
     DataNft.setNetworkConfig('devnet');
 
     const dataNfts = await DataNft.createManyFromApi([
-      { nonce: 62, tokenIdentifier: 'DATANFTFT4-3ba099' },
-      { nonce: 2, tokenIdentifier: 'INSP-a65b3b' },
-      { nonce: 80 }
+      { nonce: 1, tokenIdentifier: 'DATANFTFT-e0b917' },
+      { nonce: 2, tokenIdentifier: 'DATANFTFT-e0b917' },
+      { nonce: 3 }
     ]);
 
     for (const item of dataNfts) {
       expect(item).toBeInstanceOf(Object as unknown as DataNft);
     }
   }, 12000);
+
+  test('#get owners of data Nft', async () => {
+    DataNft.setNetworkConfig('devnet');
+
+    let dataNft = new DataNft({
+      nonce: 2,
+      tokenIdentifier: 'DATANFTFT-e0b917'
+    });
+
+    const owners = await dataNft.getOwners();
+  });
 });
diff --git a/tests/marketplace.test.ts b/tests/marketplace.test.ts
index d2e01ca..8d3561b 100644
--- a/tests/marketplace.test.ts
+++ b/tests/marketplace.test.ts
@@ -1,4 +1,4 @@
-import { Address, BigUIntValue, Transaction } from '@multiversx/sdk-core/out';
+import { Address, Transaction } from '@multiversx/sdk-core/out';
 import { DataNftMarket, MarketplaceRequirements, Offer } from '../src';
 
 describe('Marketplace Sdk test', () => {