diff --git a/config/seeds.js b/config/seeds.js
new file mode 100644
index 0000000..c975e75
--- /dev/null
+++ b/config/seeds.js
@@ -0,0 +1,63 @@
+let contractCalls = {
+  Operator: {
+    addContributor: [
+      // make sure to use an IPFS hash of one of the objects in ipfsContent
+      ['0x24dd2aedd8a9fe52ac071b3a23b2fc8f225c185e', '0x272bbfc66166f26cae9c9b96b7f9590e095f02edf342ac2dd71e1667a12116ca', 18, 32, true], // QmQyZJT9uikzDYTZLhhyVZ5ReZVCoMucYzyvDokDJsijhj
+      ['0xa502eb4021f3b9ab62f75b57a94e1cfbf81fd827', '0x9569ed44826286597982e40bbdff919c6b7752e29d13250efca452644e6b4b25', 18, 32, true] // QmYPu8zvtfDy18ZqHCviVxnKtxycw5UTJLJyk9oAEjWfnL
+    ],
+    addProposal: [
+      [1, 23, 'QmQNA1hhVyL1Vm6HiRxXe9xmc6LUMBDyiNMVgsjThtyevs'],
+      [2, 42, 'QmQNA1hhVyL1Vm6HiRxXe9xmc6LUMBDyiNMVgsjThtyevs']
+      [2, 100, 'QmQNA1hhVyL1Vm6HiRxXe9xmc6LUMBDyiNMVgsjThtyevs']
+    ],
+    vote: [
+      [1]
+    ]
+  }
+};
+let ipfsContent = [
+  {
+    "@context": "https://schema.kosmos.org",
+    "@type": "Contributor",
+    "kind": "person",
+    "name": "Râu Cao",
+    "url": "https://sebastian.kip.pe",
+    "accounts": [
+      {
+        "site": "github.com",
+        "username": "skddc",
+        "uid": 842,
+        "url": "https://github.com/skddc/"
+      },
+    ]
+  },
+  {
+    "@context": "https://schema.kosmos.org",
+    "@type": "Contributor",
+    "kind": "person",
+    "name": "Bumi",
+    "url": "https://michaelbumann.com",
+    "accounts": [
+      {
+        "site": "github.com",
+        "username": "bumi",
+        "uid": 318,
+        "url": "https://github.com/bumi/"
+      },
+    ]
+  },
+  {
+    "@context": "https://schema.kosmos.org",
+    "@type": "Contribution",
+    "contributor": {
+      "ipfs": "QmQ2ZZS2bXgneQfKtVTVxe6dV7pcJuXnTeZJQtoVUFsAtJ"
+    },
+    "kind": "dev",
+    "description": "hacking hacking on kredits",
+    "url": "https://github.com/67P/kredits-web/pull/11",
+    "details": {}
+  }
+
+]
+
+module.exports = { contractCalls, ipfsContent };
diff --git a/package.json b/package.json
index eff2b44..afdecf8 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,7 @@
   },
   "scripts": {
     "build-json": "truffle compile && node ./scripts/build-json.js",
+    "bootstrap": "truffle migrate --reset && truffle exec scripts/seeds.js && npm run build-json",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "repository": {
@@ -21,8 +22,9 @@
   },
   "homepage": "https://github.com/67P/truffle-kredits#readme",
   "devDependencies": {
-    "zeppelin-solidity": "^1.7.0",
+    "ganache-cli": "^6.0.3",
+    "ipfs-api": "^19.0.0",
     "truffle": "^4.1.3",
-    "ganache-cli": "^6.0.3"
+    "zeppelin-solidity": "^1.7.0"
   }
 }
diff --git a/scripts/multihash.js b/scripts/multihash.js
new file mode 100644
index 0000000..bf59b2f
--- /dev/null
+++ b/scripts/multihash.js
@@ -0,0 +1,35 @@
+var bs58 = require('bs58');
+
+function getBytes32FromMultiash(multihash) {
+  const decoded = bs58.decode(multihash);
+
+  return {
+    digest: `0x${decoded.slice(2).toString('hex')}`,
+    hashFunction: decoded[0],
+    size: decoded[1],
+  };
+}
+
+
+function getMultihashFromBytes32(multihash) {
+  const { digest, hashFunction, size } = multihash;
+  if (size === 0) return null;
+
+  // cut off leading "0x"
+  const hashBytes = Buffer.from(digest.slice(2), 'hex');
+
+  // prepend hashFunction and digest size
+  //const multihashBytes = new (hashBytes.constructor)(2 + hashBytes.length);
+  const multihashBytes = new Buffer(2 + hashBytes.length);
+
+  console.log(hashBytes.constructor);
+
+  multihashBytes[0] = hashFunction;
+  multihashBytes[1] = size;
+  multihashBytes.set(hashBytes, 2);
+
+  return bs58.encode(multihashBytes);
+}
+
+var m = getBytes32FromMultiash(process.argv[2]);
+console.log(m)
diff --git a/scripts/seeds.js b/scripts/seeds.js
new file mode 100644
index 0000000..773519f
--- /dev/null
+++ b/scripts/seeds.js
@@ -0,0 +1,32 @@
+const path = require('path');
+const seeds = require(path.join(__dirname, '..', '/config/seeds.js'));
+const IPFS = require('ipfs-api');
+
+var ipfs = IPFS({host: 'localhost', port: '5001', protocol: 'http'})
+
+module.exports = function(callback) {
+  const Registry = artifacts.require('./Registry.sol');
+
+  const contracts = {};
+  Registry.deployed().then((registry) => {
+    Object.keys(seeds.contractCalls).forEach(async (contract) => {
+      var address = await registry.getProxyFor(contract);
+      console.log(`Using ${contract} at ${address}`);
+      contracts[contract] = await artifacts.require(contract).at(address);
+
+      Object.keys(seeds.contractCalls[contract]).forEach((method) => {
+        seeds.contractCalls[contract][method].forEach((args) => {
+          console.log(`[Sending] ${contract}.#${method}(${JSON.stringify(args)})`);
+          contracts[contract][method](...args).then((result) => {
+            console.log(`[Result] ${contract}.${method}(${JSON.stringify(args)}) => ${result.tx}`);
+          });
+        });
+      });
+    });
+  });
+
+
+  seeds.ipfsContent.forEach((content) => {
+    ipfs.add(new ipfs.Buffer(JSON.stringify(content))).then((result) => { console.log(`[IPFS] added ${result[0].hash}`) });
+  });
+}