diff --git a/util/dbdump.js b/util/dbdump.js
new file mode 100644
index 0000000..64635f4
--- /dev/null
+++ b/util/dbdump.js
@@ -0,0 +1,26 @@
+#!/usr/bin/env node 
+'use strict';
+
+ var   levelup     = require('levelup');
+
+
+
+var dbPath = process.argv[2];
+var s       = process.argv[3];
+console.log('DB: ',dbPath); //TODO
+
+
+
+var db = levelup(dbPath );
+
+
+db.createReadStream({start: s, end: s+'~'})
+  .on('data', function (data) {
+    console.log(data.key + ' => ' + data.value); //TODO
+  })
+  .on('error', function () {
+  })
+  .on('end', function () {
+  });
+
+
diff --git a/util/migration.js b/util/migration.js
new file mode 100644
index 0000000..e670e32
--- /dev/null
+++ b/util/migration.js
@@ -0,0 +1,63 @@
+var levelup = require('levelup');
+var bitcore = require('bitcore');
+var _ = require('lodash');
+
+var home = process.env['HOME'];
+var db = new levelup(process.argv[2] || (home + '/.insight/testnet/emailstore'));
+var newDb = new levelup(process.argv[3] || (home + '/.insight/testnet/emailstore.migrated'));
+
+var transformStoredValue = function(key) {
+  var oldKey = key.substr('credentials-store-'.length);
+  return 'emailstore-' + bitcore.util.twoSha256(oldKey).toString('hex');
+};
+
+var transformPending = function(key) {
+  var oldKey = key.substr('validation-code-'.length);
+  return 'pending-' + oldKey;
+};
+
+var transformPassphrase = function(key) {
+  var oldKey = key.substr('map-email-'.length);
+  return 'email-to-passphrase-' + bitcore.util.twoSha256(oldKey).toString('hex');
+};
+
+var transformValidated = function(key) {
+  var oldKey = key.substr('validated-email-'.length);
+  return 'validated-' + bitcore.util.twoSha256(oldKey).toString('hex');
+};
+
+var checks = {
+  'credentials-store-': transformStoredValue,
+  'validation-code-': transformPending,
+  'map-email-': transformPassphrase,
+  'validated-email': transformValidated
+};
+
+db.createReadStream()
+  .on('data', function(data) {
+    console.log('- Analizing key: ' + data.key);
+    _.each(checks, function(checkFunction, checkName) {
+
+      if (data.key.indexOf(checkName) === 0) {
+        db.get('migration-' + data.key, function(err, value) {
+          if ((err && err.notFound) || data.value !== value) {
+
+            var newKey = checkFunction(data.key);
+            if (data.value !== value) {
+              console.log('  - ' + newKey + ' outdated, migrating...')
+            } else {
+              console.log('  - ' + data.key + ' not migrated, migrating to ' + newKey);
+            }
+
+            newDb.put(newKey, data.value, function(err) {
+              if (err) {
+                console.log('    - Error migrating ' + data.key + '!', err);
+              } else {
+                db.put('migration-' + data.key, data.value, function() {});
+              }
+            });
+          }
+        });
+      }
+    });
+  });