diff --git a/yarn.lock b/yarn.lock
index f6cb1b263..50a47baf3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -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"
@@ -7070,21 +7071,22 @@ es-to-primitive@^1.2.1:
     is-date-object "^1.0.1"
     is-symbol "^1.0.2"
 
-es5-ext@^0.10.35, es5-ext@^0.10.50:
-  version "0.10.53"
-  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.53.tgz#93c5a3acfdbef275220ad72644ad02ee18368de1"
-  integrity sha512-Xs2Stw6NiNHWypzRTY1MtaG/uJlwCk8kH81920ma8mvN8Xq1gsfhZvpkImLQArw8AHnv8MT2I45J3c0R8slE+Q==
+es5-ext@^0.10.35, es5-ext@^0.10.50, es5-ext@^0.10.62, es5-ext@~0.10.14:
+  version "0.10.63"
+  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.63.tgz#9c222a63b6a332ac80b1e373b426af723b895bd6"
+  integrity sha512-hUCZd2Byj/mNKjfP9jXrdVZ62B8KuA/VoK7X8nUh5qT+AxDmcbvZz041oDVZdbIN1qW6XY9VDNwzkvKnZvK2TQ==
   dependencies:
-    es6-iterator "~2.0.3"
-    es6-symbol "~3.1.3"
-    next-tick "~1.0.0"
+    es6-iterator "^2.0.3"
+    es6-symbol "^3.1.3"
+    esniff "^2.0.1"
+    next-tick "^1.1.0"
 
 es5-shim@^4.5.13:
   version "4.5.14"
   resolved "https://registry.yarnpkg.com/es5-shim/-/es5-shim-4.5.14.tgz#90009e1019d0ea327447cb523deaff8fe45697ef"
   integrity sha512-7SwlpL+2JpymWTt8sNLuC2zdhhc+wrfe5cMPI2j0o6WsPdfAiPwmFy2f0AocPB4RQVBOZ9kNTgi5YF7TdhkvEg==
 
-es6-iterator@2.0.3, es6-iterator@~2.0.3:
+es6-iterator@2.0.3, es6-iterator@^2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/es6-iterator/-/es6-iterator-2.0.3.tgz#a7de889141a05a94b0854403b2d0a0fbfa98f3b7"
   integrity sha1-p96IkUGgWpSwhUQDstCg+/qY87c=
@@ -7103,7 +7105,7 @@ es6-shim@^0.35.5:
   resolved "https://registry.yarnpkg.com/es6-shim/-/es6-shim-0.35.6.tgz#d10578301a83af2de58b9eadb7c2c9945f7388a0"
   integrity sha512-EmTr31wppcaIAgblChZiuN/l9Y7DPyw8Xtbg7fIVngn6zMW+IEBJDJngeKC3x6wr0V/vcA2wqeFnaw1bFJbDdA==
 
-es6-symbol@^3.1.1, es6-symbol@~3.1.3:
+es6-symbol@^3.1.1, es6-symbol@^3.1.3:
   version "3.1.3"
   resolved "https://registry.yarnpkg.com/es6-symbol/-/es6-symbol-3.1.3.tgz#bad5d3c1bcdac28269f4cb331e431c78ac705d18"
   integrity sha512-NJ6Yn3FuDinBaBRWl/q5X/s4koRHBrgKAu+yGI6JCBeiu3qrcbJhwT2GeR/EXVfylRk8dpQVJoLEFhK+Mu31NA==
@@ -7143,13 +7145,6 @@ 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 +7219,6 @@ 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"
@@ -7332,6 +7320,16 @@ eslint@^6.6.0:
     text-table "^0.2.0"
     v8-compile-cache "^2.0.3"
 
+esniff@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/esniff/-/esniff-2.0.1.tgz#a4d4b43a5c71c7ec51c51098c1d8a29081f9b308"
+  integrity sha512-kTUIGKQ/mDPFoJ0oVfcmyJn4iBDRptjNVIzwIFR7tqWXdVI9xfA2RMwY/gbSpJG3lkdWNEjLap/NqVHZiJsdfg==
+  dependencies:
+    d "^1.0.1"
+    es5-ext "^0.10.62"
+    event-emitter "^0.3.5"
+    type "^2.7.2"
+
 espree@^6.1.2:
   version "6.2.1"
   resolved "https://registry.yarnpkg.com/espree/-/espree-6.2.1.tgz#77fc72e1fd744a2052c20f38a5b575832e82734a"
@@ -7619,6 +7617,14 @@ ethjs@^0.4.0:
     js-sha3 "0.5.5"
     number-to-bn "1.7.0"
 
+event-emitter@^0.3.5:
+  version "0.3.5"
+  resolved "https://registry.yarnpkg.com/event-emitter/-/event-emitter-0.3.5.tgz#df8c69eef1647923c7157b9ce83840610b02cc39"
+  integrity sha512-D9rRn9y7kLPnJ+hMq7S/nhvoKwwvVJahBi2BPmx3bvbsEdK3W9ii8cBSGjP+72/LnM4n6fo3+dkCX5FeTQruXA==
+  dependencies:
+    d "1"
+    es5-ext "~0.10.14"
+
 eventemitter3@3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-3.1.0.tgz#090b4d6cdbd645ed10bf750d4b5407942d7ba163"
@@ -7857,11 +7863,6 @@ 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"
@@ -8472,11 +8473,6 @@ 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"
@@ -12248,7 +12244,7 @@ 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==
@@ -12309,10 +12305,10 @@ nested-object-assign@^1.0.3:
   resolved "https://registry.yarnpkg.com/nested-object-assign/-/nested-object-assign-1.0.3.tgz#5aca69390d9affe5a612152b5f0843ae399ac597"
   integrity sha512-kgq1CuvLyUcbcIuTiCA93cQ2IJFSlRwXcN+hLcb2qLJwC2qrePHGZZa7IipyWqaWF6tQjdax2pQnVxdq19Zzwg==
 
-next-tick@~1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/next-tick/-/next-tick-1.0.0.tgz#ca86d1fe8828169b0120208e3dc8424b9db8342c"
-  integrity sha1-yobR/ogoFpsBICCOPchCS524NCw=
+next-tick@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/next-tick/-/next-tick-1.1.0.tgz#1836ee30ad56d67ef281b22bd199f709449b35eb"
+  integrity sha512-CXdUiJembsNjuToQvxayPZF9Vqht7hewsvy2sOWafLvi2awflj9mOC6bHIg50orX8IJvWKY9wYQ/zB2kogPslQ==
 
 nice-try@^1.0.4:
   version "1.0.5"
@@ -14041,13 +14037,6 @@ 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"
@@ -15794,12 +15783,12 @@ 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 +16128,14 @@ 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 +16149,13 @@ 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 +16233,10 @@ 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"
@@ -17317,6 +17320,11 @@ type@^2.0.0:
   resolved "https://registry.yarnpkg.com/type/-/type-2.1.0.tgz#9bdc22c648cf8cf86dd23d32336a41cfb6475e3f"
   integrity sha512-G9absDWvhAWCV2gmF1zKud3OyC61nZDwWvBL2DApaVFogI07CprggiQAOOjvp2NRjYWFzPyu7vwtDrQFq8jeSA==
 
+type@^2.7.2:
+  version "2.7.2"
+  resolved "https://registry.yarnpkg.com/type/-/type-2.7.2.tgz#2376a15a3a28b1efa0f5350dcf72d24df6ef98d0"
+  integrity sha512-dzlvlNlt6AXU7EBSfpAscydQ7gXB+pPGsPnfJnZpiNJBDj7IaJzQlBZYGdEi4R9HmPdBv2XmWJ6YUtoTa7lmCw==
+
 typed-styles@^0.0.7:
   version "0.0.7"
   resolved "https://registry.yarnpkg.com/typed-styles/-/typed-styles-0.0.7.tgz#93392a008794c4595119ff62dde6809dbc40a3d9"