diff --git a/yarn.lock b/yarn.lock
index f6cb1b263..34b9b8489 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5345,7 +5345,7 @@ chokidar@^3.3.0, chokidar@^3.4.1:
   optionalDependencies:
     fsevents "~2.1.2"
 
-chownr@^1.1.1, chownr@^1.1.2:
+chownr@^1.1.1, chownr@^1.1.2, chownr@^1.1.4:
   version "1.1.4"
   resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.4.tgz#6fc9d7b42d32a583596337666e7d08084da2cc6b"
   integrity sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg==
@@ -5723,9 +5723,10 @@ concat-stream@^1.5.0:
     readable-stream "^2.2.2"
     typedarray "^0.0.6"
 
-"concat-stream@github:hugomrdias/concat-stream#feat/smaller":
+"concat-stream@github:singnet/concat-stream":
   version "2.0.0"
-  resolved "https://codeload.github.com/hugomrdias/concat-stream/tar.gz/057bc7b5d6d8df26c8cf00a3f151b6721a0a8034"
+  uid "556f66893b0791d09b3eb978dba16c90c8a60a65"
+  resolved "https://codeload.github.com/singnet/concat-stream/tar.gz/556f66893b0791d09b3eb978dba16c90c8a60a65"
   dependencies:
     inherits "^2.0.3"
     readable-stream "^3.0.2"
@@ -7143,13 +7144,6 @@ escodegen@^1.11.0, escodegen@^1.9.1:
   optionalDependencies:
     source-map "~0.6.1"
 
-eslint-config-prettier@^4.3.0:
-  version "4.3.0"
-  resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-4.3.0.tgz#c55c1fcac8ce4518aeb77906984e134d9eb5a4f0"
-  integrity sha512-sZwhSTHVVz78+kYD3t5pCWSYEdVSBR0PXnwjDRsUs8ytIrK8PLXw+6FKp8r3Z7rx4ZszdetWlXYKOHoUrrwPlA==
-  dependencies:
-    get-stdin "^6.0.0"
-
 eslint-config-react-app@^5.2.1:
   version "5.2.1"
   resolved "https://registry.yarnpkg.com/eslint-config-react-app/-/eslint-config-react-app-5.2.1.tgz#698bf7aeee27f0cea0139eaef261c7bf7dd623df"
@@ -7224,13 +7218,6 @@ eslint-plugin-jsx-a11y@6.2.3:
     has "^1.0.3"
     jsx-ast-utils "^2.2.1"
 
-eslint-plugin-prettier@^3.3.0:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-prettier/-/eslint-plugin-prettier-3.3.0.tgz#61e295349a65688ffac0b7808ef0a8244bdd8d40"
-  integrity sha512-tMTwO8iUWlSRZIwS9k7/E4vrTsfvsrcM5p1eftyuqWH25nKsz/o6/54I7jwQ/3zobISyC7wMy9ZsFwgTxOcOpQ==
-  dependencies:
-    prettier-linter-helpers "^1.0.0"
-
 eslint-plugin-react-hooks@^1.6.1:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/eslint-plugin-react-hooks/-/eslint-plugin-react-hooks-1.7.0.tgz#6210b6d5a37205f0b92858f895a4e827020a7d04"
@@ -7857,11 +7844,6 @@ fast-deep-equal@^3.1.1:
   resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz#3a7d56b559d6cbc3eb512325244e619a65c6c525"
   integrity sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==
 
-fast-diff@^1.1.2:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/fast-diff/-/fast-diff-1.2.0.tgz#73ee11982d86caaf7959828d519cfe927fac5f03"
-  integrity sha512-xJuoT5+L99XlZ8twedaRf6Ax2TgQVxvgZOYoPKqZufmJib0tL2tegPBOZb1pVNgIhlqDlA0eO0c3wBvQcmzx4w==
-
 fast-glob@^2.0.2:
   version "2.2.7"
   resolved "https://registry.yarnpkg.com/fast-glob/-/fast-glob-2.2.7.tgz#6953857c3afa475fff92ee6015d52da70a4cd39d"
@@ -8329,7 +8311,7 @@ fs-extra@^8.0.1, fs-extra@^8.1.0:
     jsonfile "^4.0.0"
     universalify "^0.1.0"
 
-fs-minipass@^1.2.5:
+fs-minipass@^1.2.7:
   version "1.2.7"
   resolved "https://registry.yarnpkg.com/fs-minipass/-/fs-minipass-1.2.7.tgz#ccff8570841e7fe4265693da88936c55aed7f7c7"
   integrity sha512-GWSSJGFy4e9GUeCcbIkED+bgAoFyj7XF1mV8rma3QW4NIqX9Kyx79N/PF61H5udOV3aY1IaMLs6pGbH71nlCTA==
@@ -8472,11 +8454,6 @@ get-src@^1.0.1:
   resolved "https://registry.yarnpkg.com/get-src/-/get-src-1.0.1.tgz#ca11dbe4a93c7f3aa85cec95fcb0b2dfaa9539ee"
   integrity sha1-yhHb5Kk8fzqoXOyV/LCy36qVOe4=
 
-get-stdin@^6.0.0:
-  version "6.0.0"
-  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-6.0.0.tgz#9e09bf712b360ab9225e812048f71fde9c89657b"
-  integrity sha512-jp4tHawyV7+fkkSKyvjuLZswblUtz+SQKzSWnBbii16BuZksJlU1wuBYXY75r+duh/llF1ur6oNwi+2ZzjKZ7g==
-
 get-stdin@^7.0.0:
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-7.0.0.tgz#8d5de98f15171a125c5e516643c7a6d0ea8a96f6"
@@ -11987,7 +11964,7 @@ minipass-pipeline@^1.2.2:
   dependencies:
     minipass "^3.0.0"
 
-minipass@^2.6.0, minipass@^2.8.6, minipass@^2.9.0:
+minipass@^2.6.0, minipass@^2.9.0:
   version "2.9.0"
   resolved "https://registry.yarnpkg.com/minipass/-/minipass-2.9.0.tgz#e713762e7d3e32fed803115cf93e04bca9fcc9a6"
   integrity sha512-wxfUjg9WebH+CUDX/CdbRlh5SmfZiy/hpkxaRI16Y9W56Pa75sWgd/rvFilSgrauD9NyFymP/+JFV3KwzIsJeg==
@@ -12002,7 +11979,7 @@ minipass@^3.0.0, minipass@^3.1.1:
   dependencies:
     yallist "^4.0.0"
 
-minizlib@^1.2.1:
+minizlib@^1.3.3:
   version "1.3.3"
   resolved "https://registry.yarnpkg.com/minizlib/-/minizlib-1.3.3.tgz#2290de96818a34c29551c8a8d301216bd65a861d"
   integrity sha512-6ZYMOEnmVsdCeTJVE0W9ZD+pVnE8h9Hma/iOwwRDsdQoePpoX56/8B6z3P9VNwppJuBKNRuFDRNRqRWexT9G9Q==
@@ -12053,7 +12030,7 @@ mkdirp@*:
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-1.0.4.tgz#3eb5ed62622756d79a5f0e2a221dfebad75c2f7e"
   integrity sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==
 
-mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@^0.5.3, mkdirp@^0.5.5, mkdirp@~0.5.1:
+mkdirp@^0.5.1, mkdirp@^0.5.3, mkdirp@^0.5.5, mkdirp@~0.5.1:
   version "0.5.5"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.5.tgz#d91cefd62d1436ca0f41620e251288d420099def"
   integrity sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==
@@ -12248,7 +12225,7 @@ mute-stream@0.0.8:
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.8.tgz#1630c42b2251ff81e2a283de96a5497ea92e5e0d"
   integrity sha512-nnbWWOkoWyUsTjKrhgD0dcz22mdkSnpYqbEjIm2nhwhuxlSkpywJmBo8h0ZqJdkp73mb90SssHkN4rsRaBAfAA==
 
-nan@^2.0.8, nan@^2.12.1, nan@^2.14.0, nan@^2.14.2:
+nan@^2.12.1, nan@^2.14.0, nan@^2.14.2:
   version "2.14.2"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.2.tgz#f5376400695168f4cc694ac9393d0c9585eeea19"
   integrity sha512-M2ufzIiINKCuDfBSAUr1vWQ+vuVcA9kqx8JJUsbQi6yf1uGRyb7HfpdfUr5qLXf3B/t8dPvcjhKMmlfnP47EzQ==
@@ -14041,13 +14018,6 @@ preserve@^0.2.0:
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
   integrity sha1-gV7R9uvGWSb4ZbMQwHE7yzMVzks=
 
-prettier-linter-helpers@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/prettier-linter-helpers/-/prettier-linter-helpers-1.0.0.tgz#d23d41fe1375646de2d0104d3454a3008802cf7b"
-  integrity sha512-GbK2cP9nraSSUF9N2XwUwqfzlAFlMNYYl+ShE/V+H8a9uNl/oUqB1w2EL54Jh0OlyRSd8RfWYJ3coVS4TROP2w==
-  dependencies:
-    fast-diff "^1.1.2"
-
 prettier@^1.18.2:
   version "1.19.1"
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.19.1.tgz#f7d7f5ff8a9cd872a7be4ca142095956a60797cb"
@@ -15669,7 +15639,7 @@ safe-buffer@5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
   integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
 
-safe-buffer@>=5.1.0, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@^5.2.0, safe-buffer@~5.2.0:
+safe-buffer@>=5.1.0, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@^5.2.0, safe-buffer@^5.2.1, safe-buffer@~5.2.0:
   version "5.2.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
   integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==
@@ -15794,12 +15764,12 @@ scrypt.js@0.2.0:
     scrypt "^6.0.2"
     scryptsy "^1.2.1"
 
-scrypt@^6.0.2:
+scrypt@^6.0.2, "scrypt@github:barrysteyn/node-scrypt#fb60a8d3c158fe115a624b5ffa7480f3a24b03fb":
   version "6.0.3"
-  resolved "https://registry.yarnpkg.com/scrypt/-/scrypt-6.0.3.tgz#04e014a5682b53fa50c2d5cce167d719c06d870d"
-  integrity sha1-BOAUpWgrU/pQwtXM4WfXGcBthw0=
+  uid fb60a8d3c158fe115a624b5ffa7480f3a24b03fb
+  resolved "https://codeload.github.com/barrysteyn/node-scrypt/tar.gz/fb60a8d3c158fe115a624b5ffa7480f3a24b03fb"
   dependencies:
-    nan "^2.0.8"
+    nan "^2.14.0"
 
 scryptsy@^1.2.1:
   version "1.2.1"
@@ -16139,7 +16109,14 @@ simplebar@^4.2.3:
     lodash.throttle "^4.1.1"
     resize-observer-polyfill "^1.5.1"
 
-singularitynet-platform-contracts@1.0.1, singularitynet-platform-contracts@^1.0.1:
+singularitynet-platform-contracts@1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/singularitynet-platform-contracts/-/singularitynet-platform-contracts-1.0.2.tgz#79b1000b1c63939994f7317f5c484eff9e148736"
+  integrity sha512-5+0j1+UhPuFRD37XG7UxaqekYVvbEJ1xmfqBG0VlMnl+1khAXWw8C1+i3FYdyoZvMPtcIEH5iAoFsouBW91GQA==
+  dependencies:
+    singularitynet-token-contracts "^3.0.1"
+
+singularitynet-platform-contracts@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/singularitynet-platform-contracts/-/singularitynet-platform-contracts-1.0.1.tgz#deff4a2a0d4e50b5b406112f5b7a510884fa9571"
   integrity sha512-EX7izqXvVUVUvIiqbWWnr0kIjhmR5+y7PDXybEcEHoOs/DDZ2SSmJH72dEUJLRJX11usUPm3nroZJwShjFYDeQ==
@@ -16153,6 +16130,13 @@ singularitynet-token-contracts@^3.0.0:
   dependencies:
     "@openzeppelin/contracts" "^3.2.0"
 
+singularitynet-token-contracts@^3.0.1:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/singularitynet-token-contracts/-/singularitynet-token-contracts-3.0.3.tgz#e55e367ab5ad89553c8f975fab513f0ef4e9dbf0"
+  integrity sha512-y6qtPypFUQRgQTMefMEPQls6I3+B+BdOCQPOSnnlEcpqcrr2ZkXlH0IrNzaU5l64ppoTCf3wA3VUZPWiZ2aZMQ==
+  dependencies:
+    "@openzeppelin/contracts" "^3.2.0"
+
 sisteransi@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/sisteransi/-/sisteransi-1.0.5.tgz#134d681297756437cc05ca01370d3a7a571075ed"
@@ -16230,10 +16214,10 @@ snapdragon@^0.8.1:
     source-map-resolve "^0.5.0"
     use "^3.1.0"
 
-snet-sdk-web@2.0.0-beta.0:
-  version "2.0.0-beta.0"
-  resolved "https://registry.yarnpkg.com/snet-sdk-web/-/snet-sdk-web-2.0.0-beta.0.tgz#96abc2e31ae105c5209566df2a9831b240d2c5b4"
-  integrity sha512-QXW9Tx02BBin5wpIJwdo3y4tvTwyQfIadK9kA7QKaSIbjtSdgbnBTUmAVDxkFkUcww1ysVtHfHsUNBJ0xDOgOA==
+snet-sdk-web@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/snet-sdk-web/-/snet-sdk-web-3.0.0.tgz#b0e1f3566e5f8e12b57b9f6cd17713dfa5fdebf9"
+  integrity sha512-O+l7yR/gZ+7S06VbMrAQlKyG4rb3oNc88/SgGJX+l//rrlbDWBOpKp7jy2bRgxVnrI2YQTOA065Lh0qIQdNYnw==
   dependencies:
     bignumber.js "^8.1.1"
     es6-promise "^4.2.6"
@@ -16939,17 +16923,17 @@ tar-stream@^2.2.0:
     readable-stream "^3.1.1"
 
 tar@^4.0.2:
-  version "4.4.13"
-  resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.13.tgz#43b364bc52888d555298637b10d60790254ab525"
-  integrity sha512-w2VwSrBoHa5BsSyH+KxEqeQBAllHhccyMFVHtGtdMpF4W7IRWfZjFiQceJPChOeTsSDVUpER2T8FA93pr0L+QA==
+  version "4.4.19"
+  resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.19.tgz#2e4d7263df26f2b914dee10c825ab132123742f3"
+  integrity sha512-a20gEsvHnWe0ygBY8JbxoM4w3SJdhc7ZAuxkLqh+nvNQN2IOt0B5lLgM490X5Hl8FF0dl0tOf2ewFYAlIFgzVA==
   dependencies:
-    chownr "^1.1.1"
-    fs-minipass "^1.2.5"
-    minipass "^2.8.6"
-    minizlib "^1.2.1"
-    mkdirp "^0.5.0"
-    safe-buffer "^5.1.2"
-    yallist "^3.0.3"
+    chownr "^1.1.4"
+    fs-minipass "^1.2.7"
+    minipass "^2.9.0"
+    minizlib "^1.3.3"
+    mkdirp "^0.5.5"
+    safe-buffer "^5.2.1"
+    yallist "^3.1.1"
 
 telejson@^3.2.0:
   version "3.3.0"
@@ -18895,7 +18879,7 @@ yallist@^2.1.2:
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-2.1.2.tgz#1c11f9218f076089a47dd512f93c6699a6a81d52"
   integrity sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=
 
-yallist@^3.0.0, yallist@^3.0.2, yallist@^3.0.3:
+yallist@^3.0.0, yallist@^3.0.2, yallist@^3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.1.1.tgz#dbb7daf9bfd8bac9ab45ebf602b8cbad0d5d08fd"
   integrity sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==