diff --git a/package.json b/package.json
index 6af449c74ef..58c2d5aa1a8 100644
--- a/package.json
+++ b/package.json
@@ -66,7 +66,7 @@
     "scryptsy": "2.0.0",
     "semver": "5.5.0",
     "trezor-connect": "7.0.1",
-    "trezor.js": "6.17.5",
+    "trezor.js": "9.3.4",
     "uuid": "3.2.1",
     "wallet-address-validator": "0.2.4",
     "whatwg-fetch": "2.0.3",
diff --git a/yarn.lock b/yarn.lock
index 746782c71fa..61dd80595e3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -960,6 +960,31 @@
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/@sindresorhus/is/-/is-0.7.0.tgz#9a06f4f137ee84d7df0460c1fdb1135ffa6c50fd"
 
+"@trezor/utxo-lib@0.1.1":
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/@trezor/utxo-lib/-/utxo-lib-0.1.1.tgz#63cb4b3accc90352a42a1c866fce8bfbb1c94b26"
+  integrity sha512-Wonj9ldKCeoajCV6lSE6+hJ2hdPxmVaysWRO9GxhnKyiOdRhiOIQcdKOiXYqpcxwkIbbL9eLGDg73tfn3MUa6w==
+  dependencies:
+    bech32 "0.0.3"
+    bigi "^1.4.0"
+    bip66 "^1.1.0"
+    bitcoin-ops "^1.3.0"
+    blake2b "git+https://github.com/BitGo/blake2b.git#6268e6dd678661e0acc4359e9171b97eb1ebf8ac"
+    bs58check "^2.0.0"
+    create-hash "^1.1.0"
+    create-hmac "^1.1.3"
+    debug "~3.1.0"
+    ecurve "^1.0.0"
+    merkle-lib "^2.0.10"
+    pushdata-bitcoin "^1.0.1"
+    randombytes "^2.0.1"
+    safe-buffer "^5.0.1"
+    typeforce "^1.11.3"
+    varuint-bitcoin "^1.0.4"
+    wif "^2.0.1"
+  optionalDependencies:
+    secp256k1 "^3.5.2"
+
 "@types/bip39@2.4.0":
   version "2.4.0"
   resolved "https://registry.yarnpkg.com/@types/bip39/-/bip39-2.4.0.tgz#eee31a14abc8ebbb41a1ff14575c447b18346cbc"
@@ -2405,9 +2430,10 @@ bcrypt-pbkdf@^1.0.0:
   dependencies:
     tweetnacl "^0.14.3"
 
-bech32@^1.1.2:
-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/bech32/-/bech32-1.1.3.tgz#bd47a8986bbb3eec34a56a097a84b8d3e9a2dfcd"
+bech32@0.0.3:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/bech32/-/bech32-0.0.3.tgz#736747c4a6531c5d8937d0400498de30e93b2f9c"
+  integrity sha512-O+K1w8P/aAOLcYwwQ4sbiPYZ51ZIW95lnS4/6nE8Aib/z+OOddQIIPdu2qi94qGDp4HhYy/wJotttXKkak1lXg==
 
 beeper@^1.0.0:
   version "1.1.1"
@@ -2512,7 +2538,7 @@ bip39@2.5.0:
     safe-buffer "^5.0.1"
     unorm "^1.3.3"
 
-bip66@^1.1.0, bip66@^1.1.3:
+bip66@^1.1.0, bip66@^1.1.3, bip66@^1.1.5:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/bip66/-/bip66-1.1.5.tgz#01fa8748785ca70955d5011217d1b3139969ca22"
   dependencies:
@@ -2522,26 +2548,6 @@ bitcoin-ops@^1.3.0:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/bitcoin-ops/-/bitcoin-ops-1.4.1.tgz#e45de620398e22fd4ca6023de43974ff42240278"
 
-bitcoinjs-lib-zcash@^3.0.0, bitcoinjs-lib-zcash@^3.3.2:
-  version "3.4.1"
-  resolved "https://registry.yarnpkg.com/bitcoinjs-lib-zcash/-/bitcoinjs-lib-zcash-3.4.1.tgz#ea440857188ed3168f66ae8f6ecba603c53e3f22"
-  dependencies:
-    bech32 "^1.1.2"
-    bigi "^1.4.0"
-    bip66 "^1.1.0"
-    bitcoin-ops "^1.3.0"
-    bs58check "^2.0.0"
-    create-hash "^1.1.0"
-    create-hmac "^1.1.3"
-    ecurve "^1.0.0"
-    merkle-lib "^2.0.10"
-    pushdata-bitcoin "^1.0.1"
-    randombytes "^2.0.1"
-    safe-buffer "^5.0.1"
-    typeforce "^1.11.3"
-    varuint-bitcoin "^1.0.4"
-    wif "^2.0.1"
-
 bl@^1.0.0:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/bl/-/bl-1.2.2.tgz#a160911717103c07410cef63ef51b397c025af9c"
@@ -2549,6 +2555,21 @@ bl@^1.0.0:
     readable-stream "^2.3.5"
     safe-buffer "^5.1.1"
 
+"blake2b-wasm@https://github.com/BitGo/blake2b-wasm#193cdb71656c1a6c7f89b05d0327bb9b758d071b":
+  version "2.0.0"
+  uid "193cdb71656c1a6c7f89b05d0327bb9b758d071b"
+  resolved "https://github.com/BitGo/blake2b-wasm#193cdb71656c1a6c7f89b05d0327bb9b758d071b"
+  dependencies:
+    nanoassert "^1.0.0"
+
+"blake2b@git+https://github.com/BitGo/blake2b.git#6268e6dd678661e0acc4359e9171b97eb1ebf8ac":
+  version "2.1.3"
+  uid "6268e6dd678661e0acc4359e9171b97eb1ebf8ac"
+  resolved "git+https://github.com/BitGo/blake2b.git#6268e6dd678661e0acc4359e9171b97eb1ebf8ac"
+  dependencies:
+    blake2b-wasm "https://github.com/BitGo/blake2b-wasm#193cdb71656c1a6c7f89b05d0327bb9b758d071b"
+    nanoassert "^1.0.0"
+
 block-stream@*:
   version "0.0.9"
   resolved "https://registry.yarnpkg.com/block-stream/-/block-stream-0.0.9.tgz#13ebfe778a03205cfe03751481ebb4b3300c126a"
@@ -3046,6 +3067,14 @@ cacheable-request@^2.1.1:
     normalize-url "2.0.1"
     responselike "1.0.2"
 
+call-bind@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/call-bind/-/call-bind-1.0.0.tgz#24127054bb3f9bdcb4b1fb82418186072f77b8ce"
+  integrity sha512-AEXsYIyyDY3MCzbwdhzG3Jx1R0J2wetQyUynn6dYHAO+bg8l1k7jwZtRv4ryryFs7EP+NDlikJlVe59jr0cM2w==
+  dependencies:
+    function-bind "^1.1.1"
+    get-intrinsic "^1.0.0"
+
 caller-callsite@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/caller-callsite/-/caller-callsite-2.0.0.tgz#847e0fce0a223750a9a027c54b33731ad3154134"
@@ -3905,7 +3934,7 @@ create-error-class@^3.0.0, create-error-class@^3.0.1:
   dependencies:
     capture-stack-trace "^1.0.0"
 
-create-hash@^1.1.0, create-hash@^1.1.1, create-hash@^1.1.2:
+create-hash@^1.1.0, create-hash@^1.1.1, create-hash@^1.1.2, create-hash@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/create-hash/-/create-hash-1.2.0.tgz#889078af11a63756bcfb59bd221996be3a9ef196"
   dependencies:
@@ -4239,7 +4268,7 @@ debug@2.6.9, debug@^2.1.2, debug@^2.1.3, debug@^2.2.0, debug@^2.3.3, debug@^2.6.
   dependencies:
     ms "2.0.0"
 
-debug@=3.1.0:
+debug@=3.1.0, debug@~3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
   integrity sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==
@@ -4441,6 +4470,13 @@ define-properties@^1.1.2:
     foreach "^2.0.5"
     object-keys "^1.0.8"
 
+define-properties@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.3.tgz#cf88da6cbee26fe6db7094f61d870cbd84cee9f1"
+  integrity sha512-3MqfYKj2lLzdMSf8ZIZE/V+Zuy+BgD6f164e8K2w7dgnpKArBDerGYpM46IYYcjnkdPNMjPk9A6VFB8+3SKlXQ==
+  dependencies:
+    object-keys "^1.0.12"
+
 define-property@^0.2.5:
   version "0.2.5"
   resolved "https://registry.yarnpkg.com/define-property/-/define-property-0.2.5.tgz#c35b1ef918ec3c990f9a5bc57be04aacec5c8116"
@@ -5000,6 +5036,19 @@ elliptic@^6.0.0, elliptic@^6.2.3:
     minimalistic-assert "^1.0.0"
     minimalistic-crypto-utils "^1.0.0"
 
+elliptic@^6.5.2:
+  version "6.5.3"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.3.tgz#cb59eb2efdaf73a0bd78ccd7015a62ad6e0f93d6"
+  integrity sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==
+  dependencies:
+    bn.js "^4.4.0"
+    brorand "^1.0.1"
+    hash.js "^1.0.0"
+    hmac-drbg "^1.0.0"
+    inherits "^2.0.1"
+    minimalistic-assert "^1.0.0"
+    minimalistic-crypto-utils "^1.0.0"
+
 emojis-list@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/emojis-list/-/emojis-list-2.1.0.tgz#4daa4d9db00f9819880c79fa457ae5b09a1fd389"
@@ -5134,6 +5183,24 @@ error@^7.0.2:
     string-template "~0.2.1"
     xtend "~4.0.0"
 
+es-abstract@^1.18.0-next.1:
+  version "1.18.0-next.1"
+  resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.18.0-next.1.tgz#6e3a0a4bda717e5023ab3b8e90bec36108d22c68"
+  integrity sha512-I4UGspA0wpZXWENrdA0uHbnhte683t3qT/1VFH9aX2dA5PPSf6QW5HHXf5HImaqPmjXaVeVk4RGWnaylmV7uAA==
+  dependencies:
+    es-to-primitive "^1.2.1"
+    function-bind "^1.1.1"
+    has "^1.0.3"
+    has-symbols "^1.0.1"
+    is-callable "^1.2.2"
+    is-negative-zero "^2.0.0"
+    is-regex "^1.1.1"
+    object-inspect "^1.8.0"
+    object-keys "^1.1.1"
+    object.assign "^4.1.1"
+    string.prototype.trimend "^1.0.1"
+    string.prototype.trimstart "^1.0.1"
+
 es-abstract@^1.5.1, es-abstract@^1.6.1:
   version "1.11.0"
   resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.11.0.tgz#cce87d518f0496893b1a30cd8461835535480681"
@@ -5152,6 +5219,15 @@ es-to-primitive@^1.1.1:
     is-date-object "^1.0.1"
     is-symbol "^1.0.1"
 
+es-to-primitive@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/es-to-primitive/-/es-to-primitive-1.2.1.tgz#e55cd4c9cdc188bcefb03b366c736323fc5c898a"
+  integrity sha512-QCOllgZJtaUo9miYBcLChTUaHNjJF3PYs1VidD7AwiEj1kYxKeQTctLAezAOH5ZKRH0g2IgPn6KwB4IT8iRpvA==
+  dependencies:
+    is-callable "^1.1.4"
+    is-date-object "^1.0.1"
+    is-symbol "^1.0.2"
+
 es6-promise@^3.0.2:
   version "3.3.1"
   resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-3.3.1.tgz#a08cdde84ccdbf34d027a1451bc91d4bcd28a613"
@@ -5302,7 +5378,7 @@ event-lite@^0.1.1:
 
 event-stream@~3.3.0:
   version "3.3.4"
-  resolved "http://registry.npmjs.org/event-stream/-/event-stream-3.3.4.tgz#4ab4c9a0f5a54db9338b4c34d86bfce8f4b35571"
+  resolved "https://registry.npmjs.org/event-stream/-/event-stream-3.3.4.tgz#4ab4c9a0f5a54db9338b4c34d86bfce8f4b35571"
   dependencies:
     duplexer "~0.1.1"
     from "~0"
@@ -6198,6 +6274,15 @@ get-caller-file@^1.0.1:
   resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-1.0.3.tgz#f978fa4c90d1dfe7ff2d6beda2a515e713bdcf4a"
   integrity sha512-3t6rVToeoZfYSGd8YoLFR2DJkiQrIiUrGcjvFX2mDw3bn6k2OtwHN0TNCLbBO+w8qTvimhDkv+LSscbJY1vE6w==
 
+get-intrinsic@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/get-intrinsic/-/get-intrinsic-1.0.2.tgz#6820da226e50b24894e08859469dc68361545d49"
+  integrity sha512-aeX0vrFm21ILl3+JpFFRNe9aUvp6VFZb2/CTbgLb8j75kOhvoNYjt9d8KA/tJG4gSo8nzEDedRl0h7vDmBYRVg==
+  dependencies:
+    function-bind "^1.1.1"
+    has "^1.0.3"
+    has-symbols "^1.0.1"
+
 get-own-enumerable-property-symbols@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/get-own-enumerable-property-symbols/-/get-own-enumerable-property-symbols-2.0.1.tgz#5c4ad87f2834c4b9b4e84549dc1e0650fb38c24b"
@@ -6711,6 +6796,11 @@ has-symbols@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.0.tgz#ba1a8f1af2a0fc39650f5c850367704122063b44"
 
+has-symbols@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.1.tgz#9f5214758a44196c406d9bd76cebf81ec2dd31e8"
+  integrity sha512-PLcsoqu++dmEIZB+6totNFKq/7Do+Z0u4oT0zKOJNl3lYK6vGwwu2hjHs+68OEZbTjiUE9bgOABXbP/GvrS0Kg==
+
 has-to-string-tag-x@^1.2.0:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/has-to-string-tag-x/-/has-to-string-tag-x-1.4.1.tgz#a045ab383d7b4b2012a00148ab0aa5f290044d4d"
@@ -6754,6 +6844,13 @@ has@^1.0.1:
   dependencies:
     function-bind "^1.0.2"
 
+has@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/has/-/has-1.0.3.tgz#722d7cbfc1f6aa8241f16dd814e011e1f41e8796"
+  integrity sha512-f2dvO0VU6Oej7RkWJGrehjbzMAjFp5/VKPp5tTpWIV4JHHZK1/BxbFRtf/siA2SWTe09caDmVtYYzWEIbBS4zw==
+  dependencies:
+    function-bind "^1.1.1"
+
 hash-base@^2.0.0:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/hash-base/-/hash-base-2.0.2.tgz#66ea1d856db4e8a5470cadf6fce23ae5244ef2e1"
@@ -7433,6 +7530,11 @@ is-callable@^1.1.1, is-callable@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.1.3.tgz#86eb75392805ddc33af71c92a0eedf74ee7604b2"
 
+is-callable@^1.1.4, is-callable@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.2.2.tgz#c7c6715cd22d4ddb48d3e19970223aceabb080d9"
+  integrity sha512-dnMqspv5nU3LoewK2N/y7KLtxtakvTuaCsU9FU50/QDmdbHNy/4/JuRtMHqRU22o3q+W89YQndQEeCVwK+3qrA==
+
 is-ci@^1.0.10, is-ci@^1.1.0:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/is-ci/-/is-ci-1.2.1.tgz#e3779c8ee17fccf428488f6e281187f2e632841c"
@@ -7616,6 +7718,11 @@ is-natural-number@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/is-natural-number/-/is-natural-number-4.0.1.tgz#ab9d76e1db4ced51e35de0c72ebecf09f734cde8"
 
+is-negative-zero@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/is-negative-zero/-/is-negative-zero-2.0.1.tgz#3de746c18dda2319241a53675908d8f766f11c24"
+  integrity sha512-2z6JzQvZRa9A2Y7xC6dQQm4FSTSTNWjKIYYTt4246eMTJmIo0Q+ZyOsU66X8lxK1AbB92dFeglPLrhwpeRKO6w==
+
 is-npm@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-npm/-/is-npm-1.0.0.tgz#f2fb63a65e4905b406c86072765a1a4dc793b9f4"
@@ -7720,6 +7827,13 @@ is-regex@^1.0.4:
   dependencies:
     has "^1.0.1"
 
+is-regex@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.1.1.tgz#c6f98aacc546f6cec5468a07b7b153ab564a57b9"
+  integrity sha512-1+QkEcxiLlB7VEyFtyBg94e08OAsvq7FUBgApTq/w2ymCLyKJgDPsybBENVtA7XCQEgEXxKPonG+mvYRxh/LIg==
+  dependencies:
+    has-symbols "^1.0.1"
+
 is-regexp@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-regexp/-/is-regexp-1.0.0.tgz#fd2d883545c46bac5a633e7b9a09e87fa2cb5069"
@@ -7762,6 +7876,13 @@ is-symbol@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/is-symbol/-/is-symbol-1.0.1.tgz#3cc59f00025194b6ab2e38dbae6689256b660572"
 
+is-symbol@^1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/is-symbol/-/is-symbol-1.0.3.tgz#38e1014b9e6329be0de9d24a414fd7441ec61937"
+  integrity sha512-OwijhaRSgqvhm/0ZdAcXNZt9lYdKFpcRDT5ULUuYXPoT794UNOdU+gpT6Rzo7b4V2HUl/op6GqY894AZwv9faQ==
+  dependencies:
+    has-symbols "^1.0.1"
+
 is-tar@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-tar/-/is-tar-1.0.0.tgz#2f6b2e1792c1f5bb36519acaa9d65c0d26fe853d"
@@ -9578,10 +9699,20 @@ nan@^2.13.2:
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.13.2.tgz#f51dc7ae66ba7d5d55e1e6d4d8092e802c9aefe7"
   integrity sha512-TghvYc72wlMGMVMluVo9WRJc0mB8KxxF/gZ4YYFy7V2ZQX9l7rgbPg7vjS9mt6U5HXODVFVI2bOduCzwOMv/lw==
 
+nan@^2.14.0:
+  version "2.14.2"
+  resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.2.tgz#f5376400695168f4cc694ac9393d0c9585eeea19"
+  integrity sha512-M2ufzIiINKCuDfBSAUr1vWQ+vuVcA9kqx8JJUsbQi6yf1uGRyb7HfpdfUr5qLXf3B/t8dPvcjhKMmlfnP47EzQ==
+
 nan@^2.9.2:
   version "2.11.1"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.11.1.tgz#90e22bccb8ca57ea4cd37cc83d3819b52eea6766"
 
+nanoassert@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/nanoassert/-/nanoassert-1.1.0.tgz#4f3152e09540fde28c76f44b19bbcd1d5a42478d"
+  integrity sha1-TzFS4JVA/eKMdvRLGbvNHVpCR40=
+
 nanoid@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-2.0.1.tgz#deb55cac196e3f138071911dabbc3726eb048864"
@@ -9677,6 +9808,11 @@ node-fetch@^1.0.1, node-fetch@^1.6.0:
     encoding "^0.1.11"
     is-stream "^1.0.1"
 
+node-fetch@^2.6.1:
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.1.tgz#045bd323631f76ed2e2b55573394416b639a0052"
+  integrity sha512-V4aYg89jEoVRxRb2fJdAg8FHvI7cEyYdVAh94HH0UIK8oJxUfkjlDQN9RbMx+bEjP7+ggMiFRprSti032Oipxw==
+
 node-forge@0.7.5:
   version "0.7.5"
   resolved "https://registry.yarnpkg.com/node-forge/-/node-forge-0.7.5.tgz#6c152c345ce11c52f465c2abd957e8639cd674df"
@@ -10057,6 +10193,11 @@ object-inspect@^1.5.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.5.0.tgz#9d876c11e40f485c79215670281b767488f9bfe3"
 
+object-inspect@^1.8.0:
+  version "1.9.0"
+  resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.9.0.tgz#c90521d74e1127b67266ded3394ad6116986533a"
+  integrity sha512-i3Bp9iTqwhaLZBxGkRfo5ZbE07BQRT7MGu8+nNgwW9ItGp1TzCTw2DLEoWwjClxBjOFI/hWljTAmYGCEwmtnOw==
+
 object-is@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/object-is/-/object-is-1.0.1.tgz#0aa60ec9989a0b3ed795cf4d06f62cf1ad6539b6"
@@ -10065,6 +10206,11 @@ object-keys@^1.0.11, object-keys@^1.0.8:
   version "1.0.11"
   resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.0.11.tgz#c54601778ad560f1142ce0e01bcca8b56d13426d"
 
+object-keys@^1.0.12, object-keys@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.1.1.tgz#1c47f272df277f3b1daf061677d9c82e2322c60e"
+  integrity sha512-NuAESUOUMrlIXOfHKzD6bpPu3tYt3xvjNdRIQ+FeT0lNb4K8WR70CaDxhuNguS2XG+GjkyMwOzsN5ZktImfhLA==
+
 object-keys@~0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-0.4.0.tgz#28a6aae7428dd2c3a92f3d95f21335dd204e0336"
@@ -10085,6 +10231,16 @@ object.assign@^4.0.4, object.assign@^4.1.0:
     has-symbols "^1.0.0"
     object-keys "^1.0.11"
 
+object.assign@^4.1.1:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/object.assign/-/object.assign-4.1.2.tgz#0ed54a342eceb37b38ff76eb831a0e788cb63940"
+  integrity sha512-ixT2L5THXsApyiUPYKmW+2EHpXXe5Ii3M+f4e+aJFAHao5amFRW6J0OO6c/LU8Be47utCx2GL89hxGB6XSmKuQ==
+  dependencies:
+    call-bind "^1.0.0"
+    define-properties "^1.1.3"
+    has-symbols "^1.0.1"
+    object-keys "^1.1.1"
+
 object.entries@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/object.entries/-/object.entries-1.0.4.tgz#1bf9a4dd2288f5b33f3a993d257661f05d161a5f"
@@ -10114,7 +10270,7 @@ object.pick@^1.3.0:
   dependencies:
     isobject "^3.0.1"
 
-object.values@^1.0.3, object.values@^1.0.4:
+object.values@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/object.values/-/object.values-1.0.4.tgz#e524da09b4f66ff05df457546ec72ac99f13069a"
   dependencies:
@@ -10123,6 +10279,16 @@ object.values@^1.0.3, object.values@^1.0.4:
     function-bind "^1.1.0"
     has "^1.0.1"
 
+object.values@^1.1.1:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/object.values/-/object.values-1.1.2.tgz#7a2015e06fcb0f546bd652486ce8583a4731c731"
+  integrity sha512-MYC0jvJopr8EK6dPBiO8Nb9mvjdypOachO5REGk6MXzujbBrAisKo3HmdEI6kZDL6fC31Mwee/5YbtMebixeag==
+  dependencies:
+    call-bind "^1.0.0"
+    define-properties "^1.1.3"
+    es-abstract "^1.18.0-next.1"
+    has "^1.0.3"
+
 obuf@^1.0.0, obuf@^1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/obuf/-/obuf-1.1.2.tgz#09bea3343d41859ebd446292d11c9d4db619084e"
@@ -10147,7 +10313,7 @@ once@^1.3.0, once@^1.3.1, once@^1.3.3, once@^1.4.0:
 
 onetime@^1.0.0:
   version "1.1.0"
-  resolved "http://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz#a1f7838f8314c516f05ecefcbc4ccfe04b4ed789"
+  resolved "https://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz#a1f7838f8314c516f05ecefcbc4ccfe04b4ed789"
 
 onetime@^2.0.0:
   version "2.0.1"
@@ -11320,13 +11486,7 @@ randomatic@^1.1.3:
     is-number "^3.0.0"
     kind-of "^4.0.0"
 
-randombytes@^2.0.0, randombytes@^2.0.1, randombytes@^2.0.5:
-  version "2.0.6"
-  resolved "https://registry.yarnpkg.com/randombytes/-/randombytes-2.0.6.tgz#d302c522948588848a8d300c932b44c24231da80"
-  dependencies:
-    safe-buffer "^5.1.0"
-
-randombytes@^2.0.6:
+randombytes@^2.0.0, randombytes@^2.0.1, randombytes@^2.0.5, randombytes@^2.0.6:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/randombytes/-/randombytes-2.1.0.tgz#df6f84372f0270dc65cdf6291349ab7a473d4f2a"
   integrity sha512-vYl3iOX+4CKUWuxGi9Ukhie6fsqXqS9FE2Zaic4tNFD2N2QQaXOMFbuKK4QmDHC0JO6B1Zp41J0LpT0oR68amQ==
@@ -11460,7 +11620,7 @@ react-dom@^15.3.2:
 
 react-fast-compare@^1.0.0:
   version "1.0.0"
-  resolved "http://registry.npmjs.org/react-fast-compare/-/react-fast-compare-1.0.0.tgz#813a039155e49b43ceffe99528fe5e9d97a6c938"
+  resolved "https://registry.npmjs.org/react-fast-compare/-/react-fast-compare-1.0.0.tgz#813a039155e49b43ceffe99528fe5e9d97a6c938"
 
 react-hot-loader@4.8.4:
   version "4.8.4"
@@ -12590,6 +12750,20 @@ secp256k1@^3.0.1:
     nan "^2.2.1"
     safe-buffer "^5.1.0"
 
+secp256k1@^3.5.2:
+  version "3.8.0"
+  resolved "https://registry.yarnpkg.com/secp256k1/-/secp256k1-3.8.0.tgz#28f59f4b01dbee9575f56a47034b7d2e3b3b352d"
+  integrity sha512-k5ke5avRZbtl9Tqx/SA7CbY3NF6Ro+Sj9cZxezFzuBlLDmyqPiL8hJJ+EmzD8Ig4LUDByHJ3/iPOVoRixs/hmw==
+  dependencies:
+    bindings "^1.5.0"
+    bip66 "^1.1.5"
+    bn.js "^4.11.8"
+    create-hash "^1.2.0"
+    drbg.js "^1.0.1"
+    elliptic "^6.5.2"
+    nan "^2.14.0"
+    safe-buffer "^5.1.2"
+
 seek-bzip@^1.0.3, seek-bzip@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/seek-bzip/-/seek-bzip-1.0.5.tgz#cfe917cb3d274bcffac792758af53173eb1fabdc"
@@ -13253,6 +13427,22 @@ string-width@^2.0.0, string-width@^2.1.0, string-width@^2.1.1:
     is-fullwidth-code-point "^2.0.0"
     strip-ansi "^4.0.0"
 
+string.prototype.trimend@^1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/string.prototype.trimend/-/string.prototype.trimend-1.0.3.tgz#a22bd53cca5c7cf44d7c9d5c732118873d6cd18b"
+  integrity sha512-ayH0pB+uf0U28CtjlLvL7NaohvR1amUvVZk+y3DYb0Ey2PUV5zPkkKy9+U1ndVEIXO8hNg18eIv9Jntbii+dKw==
+  dependencies:
+    call-bind "^1.0.0"
+    define-properties "^1.1.3"
+
+string.prototype.trimstart@^1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/string.prototype.trimstart/-/string.prototype.trimstart-1.0.3.tgz#9b4cb590e123bb36564401d59824298de50fd5aa"
+  integrity sha512-oBIBUy5lea5tt0ovtOFiEQaBkoBBkyJhZXzJYrSmDo5IUUqbOPvVezuRs/agBIdZ2p2Eo1FD6bD9USyBLfl3xg==
+  dependencies:
+    call-bind "^1.0.0"
+    define-properties "^1.1.3"
+
 string_decoder@^1.0.0, string_decoder@~1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
@@ -13832,31 +14022,32 @@ trezor-connect@7.0.1:
     events "^3.0.0"
     whatwg-fetch "^3.0.0"
 
-trezor-link@1.5.2:
-  version "1.5.2"
-  resolved "https://registry.yarnpkg.com/trezor-link/-/trezor-link-1.5.2.tgz#a87defc5ea4d0e882c5a8623b554673d62cdabbb"
+trezor-link@1.7.1:
+  version "1.7.1"
+  resolved "https://registry.yarnpkg.com/trezor-link/-/trezor-link-1.7.1.tgz#8ad08f59ae4c9d49c44d1ed8be0bdb6a3e4bbe5b"
+  integrity sha512-2oEEUJgs4RmwifFaE+B14z4zUBVoekkXyT7S6U6667Fnqg40tpGC+gqbqwaeU/2ARsAXvbD5YBhPdTLsL9Up9w==
   dependencies:
     bigi "^1.4.1"
-    bitcoinjs-lib-zcash "^3.0.0"
     ecurve "^1.0.3"
     json-stable-stringify "^1.0.1"
-    node-fetch "^1.6.0"
-    object.values "^1.0.3"
+    node-fetch "^2.6.1"
+    object.values "^1.1.1"
     protobufjs-old-fixed-webpack "3.8.5"
     semver-compare "^1.0.0"
-    whatwg-fetch "0.11.0"
+    whatwg-fetch "^3.5.0"
 
-trezor.js@6.17.5:
-  version "6.17.5"
-  resolved "https://registry.yarnpkg.com/trezor.js/-/trezor.js-6.17.5.tgz#cc080fce430c0ad921474ef210da2eceab8ec1f1"
+trezor.js@9.3.4:
+  version "9.3.4"
+  resolved "https://registry.yarnpkg.com/trezor.js/-/trezor.js-9.3.4.tgz#7d160fc431afc8ecdc6e96abeff442966e9354da"
+  integrity sha512-RccNWJ6XY/ip34bQt2lMoXhbShrEi06iDsDJHC9F0X1Sg1xPaMWSvXAEmtKjOpNJU3bhrj+DaX6hJpt2yvMZeA==
   dependencies:
+    "@trezor/utxo-lib" "0.1.1"
     bchaddrjs "^0.2.1"
-    bitcoinjs-lib-zcash "^3.3.2"
     ecurve "^1.0.2"
     node-fetch "^1.6.0"
     randombytes "^2.0.1"
     semver-compare "1.0.0"
-    trezor-link "1.5.2"
+    trezor-link "1.7.1"
     unorm "^1.3.3"
     whatwg-fetch "0.11.0"
 
@@ -14836,10 +15027,10 @@ whatwg-fetch@2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-2.0.3.tgz#9c84ec2dcf68187ff00bc64e1274b442176e1c84"
 
-whatwg-fetch@>=0.10.0, whatwg-fetch@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-3.0.0.tgz#fc804e458cc460009b1a2b966bc8817d2578aefb"
-  integrity sha512-9GSJUgz1D4MfyKU7KRqwOjXCXTqWdFNvEr7eUBYchQiVc744mqK/MzXPNR2WsPkmkOa4ywfg8C2n8h+13Bey1Q==
+whatwg-fetch@>=0.10.0, whatwg-fetch@^3.0.0, whatwg-fetch@^3.5.0:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-3.5.0.tgz#605a2cd0a7146e5db141e29d1c62ab84c0c4c868"
+  integrity sha512-jXkLtsR42xhXg7akoDKvKWE40eJeI+2KZqcp2h3NsOrRnDvtWX36KcKl30dy+hxECivdk2BVUHVNrPtoMBUx6A==
 
 whatwg-mimetype@^2.0.0, whatwg-mimetype@^2.1.0:
   version "2.1.0"