diff --git a/package-lock.json b/package-lock.json
index e5fe03d8b..06506046d 100644
--- a/package-lock.json
+++ b/package-lock.json
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@@ -7425,29 +7202,6 @@
         "once": "^1.3.2"
       }
     },
-    "npm-bundled": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/npm-bundled/-/npm-bundled-1.1.1.tgz",
-      "integrity": "sha512-gqkfgGePhTpAEgUsGEgcq1rqPXA+tv/aVBlgEzfXwA1yiUJF7xtEt3CtVwOjNYQOVknDk0F20w58Fnm3EtG0fA==",
-      "requires": {
-        "npm-normalize-package-bin": "^1.0.1"
-      }
-    },
-    "npm-normalize-package-bin": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/npm-normalize-package-bin/-/npm-normalize-package-bin-1.0.1.tgz",
-      "integrity": "sha512-EPfafl6JL5/rU+ot6P3gRSCpPDW5VmIzX959Ob1+ySFUuuYHWHekXpwdUZcKP5C+DS4GEtdJluwBjnsNDl+fSA=="
-    },
-    "npm-packlist": {
-      "version": "1.4.8",
-      "resolved": "https://registry.npmjs.org/npm-packlist/-/npm-packlist-1.4.8.tgz",
-      "integrity": "sha512-5+AZgwru5IevF5ZdnFglB5wNlHG1AOOuw28WhUq8/8emhBmLv6jX5by4WJCh7lW0uSYZYS6DXqIsyZVIXRZU9A==",
-      "requires": {
-        "ignore-walk": "^3.0.1",
-        "npm-bundled": "^1.0.1",
-        "npm-normalize-package-bin": "^1.0.1"
-      }
-    },
     "npm-run-path": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/npm-run-path/-/npm-run-path-4.0.1.tgz",
@@ -7465,22 +7219,6 @@
         }
       }
     },
-    "npmlog": {
-      "version": "4.1.2",
-      "resolved": "https://registry.npmjs.org/npmlog/-/npmlog-4.1.2.tgz",
-      "integrity": "sha512-2uUqazuKlTaSI/dC8AzicUck7+IrEaOnN/e0jd3Xtt1KcGpwx30v50mL7oPyr/h9bL3E4aZccVwpwP+5W9Vjkg==",
-      "requires": {
-        "are-we-there-yet": "~1.1.2",
-        "console-control-strings": "~1.1.0",
-        "gauge": "~2.7.3",
-        "set-blocking": "~2.0.0"
-      }
-    },
-    "number-is-nan": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz",
-      "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0="
-    },
     "number-to-bn": {
       "version": "1.7.0",
       "resolved": "https://registry.npmjs.org/number-to-bn/-/number-to-bn-1.7.0.tgz",
@@ -7757,11 +7495,6 @@
         }
       }
     },
-    "os-homedir": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/os-homedir/-/os-homedir-1.0.2.tgz",
-      "integrity": "sha1-/7xJiDNuDoM94MFox+8VISGqf7M="
-    },
     "os-name": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/os-name/-/os-name-4.0.0.tgz",
@@ -7775,16 +7508,8 @@
     "os-tmpdir": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz",
-      "integrity": "sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ="
-    },
-    "osenv": {
-      "version": "0.1.5",
-      "resolved": "https://registry.npmjs.org/osenv/-/osenv-0.1.5.tgz",
-      "integrity": "sha512-0CWcCECdMVc2Rw3U5w9ZjqX6ga6ubk1xDVKxtBQPK7wis/0F2r9T6k4ydGYhecl7YUBxBVxhL5oisPsNxAPe2g==",
-      "requires": {
-        "os-homedir": "^1.0.0",
-        "os-tmpdir": "^1.0.0"
-      }
+      "integrity": "sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ=",
+      "dev": true
     },
     "p-cancelable": {
       "version": "2.0.0",
@@ -8082,7 +7807,8 @@
     "path-is-absolute": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
-      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18="
+      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
+      "dev": true
     },
     "path-key": {
       "version": "2.0.1",
@@ -8242,7 +7968,8 @@
     "process-nextick-args": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
-      "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag=="
+      "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag==",
+      "dev": true
     },
     "process-on-spawn": {
       "version": "1.0.0",
@@ -8436,6 +8163,7 @@
       "version": "1.2.8",
       "resolved": "https://registry.npmjs.org/rc/-/rc-1.2.8.tgz",
       "integrity": "sha512-y3bGgqKj3QBdxLbLkomlohkvsA8gdAiUQlSBJnBhfn+BPxg4bc62d8TcBW15wavDfgexCgccckhcZvywyQYPOw==",
+      "dev": true,
       "requires": {
         "deep-extend": "^0.6.0",
         "ini": "~1.3.0",
@@ -8891,6 +8619,7 @@
       "version": "2.6.3",
       "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.3.tgz",
       "integrity": "sha512-mwqeW5XsA2qAejG46gYdENaxXjx9onRNCfn7L0duuP4hCuTIi/QO7PDK07KJfp1d+izWPrzEJDcSqBa0OZQriA==",
+      "dev": true,
       "requires": {
         "glob": "^7.1.3"
       }
@@ -8980,11 +8709,6 @@
         "write": "^1.0.0"
       }
     },
-    "sax": {
-      "version": "1.2.4",
-      "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.4.tgz",
-      "integrity": "sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw=="
-    },
     "scrypt-js": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/scrypt-js/-/scrypt-js-3.0.1.tgz",
@@ -9097,7 +8821,8 @@
     "set-blocking": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
-      "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc="
+      "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc=",
+      "dev": true
     },
     "set-immediate-shim": {
       "version": "1.0.1",
@@ -9163,7 +8888,8 @@
     "signal-exit": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.3.tgz",
-      "integrity": "sha512-VUJ49FC8U1OxwZLxIbTTrDvLnf/6TDgxZcK8wxR8zs13xpx7xbG60ndBlhNrFi2EMuFRoeDoJO7wthSLq42EjA=="
+      "integrity": "sha512-VUJ49FC8U1OxwZLxIbTTrDvLnf/6TDgxZcK8wxR8zs13xpx7xbG60ndBlhNrFi2EMuFRoeDoJO7wthSLq42EjA==",
+      "dev": true
     },
     "simple-concat": {
       "version": "1.0.1",
@@ -9487,7 +9213,8 @@
     "strip-json-comments": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
-      "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo="
+      "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo=",
+      "dev": true
     },
     "supports-color": {
       "version": "7.1.0",
@@ -11896,6 +11623,7 @@
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
       "integrity": "sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==",
+      "dev": true,
       "requires": {
         "string-width": "^1.0.2 || 2"
       },
@@ -11903,17 +11631,20 @@
         "ansi-regex": {
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
-          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg="
+          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+          "dev": true
         },
         "is-fullwidth-code-point": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
-          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8="
+          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
+          "dev": true
         },
         "string-width": {
           "version": "2.1.1",
           "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
           "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
+          "dev": true,
           "requires": {
             "is-fullwidth-code-point": "^2.0.0",
             "strip-ansi": "^4.0.0"
@@ -11923,6 +11654,7 @@
           "version": "4.0.0",
           "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
           "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+          "dev": true,
           "requires": {
             "ansi-regex": "^3.0.0"
           }
diff --git a/package.json b/package.json
index fe6927e1d..a67484576 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "@oceanprotocol/contracts": "^0.4.4",
     "decimal.js": "^10.2.0",
     "fs": "0.0.1-security",
-    "lzma-native": "^6.0.1",
+    "lzma": "^2.3.2",
     "node-fetch": "^2.6.1",
     "save-file": "^2.3.1",
     "uuid": "^8.3.0",
diff --git a/src/metadatastore/OnChainMetaData.ts b/src/metadatastore/OnChainMetaData.ts
index 225c0661d..57776a132 100644
--- a/src/metadatastore/OnChainMetaData.ts
+++ b/src/metadatastore/OnChainMetaData.ts
@@ -5,7 +5,10 @@ import { AbiItem } from 'web3-utils/types'
 import Web3 from 'web3'
 import defaultDDOContractABI from '@oceanprotocol/contracts/artifacts/Metadata.json'
 import { didZeroX } from '../utils'
-import lzma from 'lzma-native'
+
+// Using limited, compress-only version
+// See https://github.com/LZMA-JS/LZMA-JS#but-i-dont-want-to-use-web-workers
+import { LZMA } from 'lzma/src/lzma-c'
 
 /**
  * Provides an interface with Metadata Store.
@@ -40,9 +43,10 @@ export class OnChainMetadataStore {
 
   public async compressDDO(ddo: DDO): Promise<string> {
     const data = DDO.serialize(ddo)
-    const compressed = await lzma.compress(data, 9)
-    const final = this.getHex(compressed.toJSON().data)
-    return final
+    // see https://github.com/LZMA-JS/LZMA-JS/issues/44
+    LZMA.disableEndMark = true
+    const compressed = LZMA.compress(data, 9)
+    return this.getHex(compressed)
   }
 
   /**