diff --git a/lib/coinatmradar/coinatmradar.js b/lib/coinatmradar/coinatmradar.js
index be4eec28..55fbf5c6 100644
--- a/lib/coinatmradar/coinatmradar.js
+++ b/lib/coinatmradar/coinatmradar.js
@@ -1,17 +1,16 @@
 const axios = require('axios')
 const _ = require('lodash/fp')
-const hkdf = require('futoin-hkdf')
 
 const pify = require('pify')
 const fs = pify(require('fs'))
 
 const db = require('../db')
-const mnemonicHelpers = require('../mnemonic-helpers')
 const configManager = require('../new-config-manager')
 const complianceTriggers = require('../compliance-triggers')
 const options = require('../options')
 const logger = require('../logger')
 const plugins = require('../plugins')
+const { getOperatorId } = require('../operator')
 
 const TIMEOUT = 10000
 const MAX_CONTENT_LENGTH = 2000
@@ -133,10 +132,10 @@ function sendRadar (data) {
 
 function mapRecord (rates, settings) {
   const timestamp = new Date().toISOString()
-  return Promise.all([getMachines(rates, settings), fs.readFile(options.mnemonicPath, 'utf8')])
-    .then(([machines, mnemonic]) => {
+  return Promise.all([getMachines(rates, settings), getOperatorId()])
+    .then(([machines, operatorId]) => {
       return {
-        operatorId: computeOperatorId(mnemonicHelpers.toEntropyBuffer(mnemonic)),
+        operatorId: operatorId,
         operator: {
           name: null,
           phone: null,
@@ -157,7 +156,3 @@ function update (rates, settings) {
     .then(sendRadar)
     .catch(err => logger.error(`Failure to update CoinATMRadar`, err))
 }
-
-function computeOperatorId (masterSeed) {
-  return hkdf(masterSeed, 16, { salt: 'lamassu-server-salt', info: 'operator-id' }).toString('hex')
-}
diff --git a/lib/middlewares/operatorId.js b/lib/middlewares/operatorId.js
index 0dceb527..04548aaf 100644
--- a/lib/middlewares/operatorId.js
+++ b/lib/middlewares/operatorId.js
@@ -1,34 +1,15 @@
-const pify = require('pify')
-const fs = pify(require('fs'))
-const hkdf = require('futoin-hkdf')
-
-const state = require('./state')
-const mnemonicHelpers = require('../mnemonic-helpers')
-const options = require('../options')
-const logger = require('../logger')
-
-function computeOperatorId (masterSeed) {
-  return hkdf(masterSeed, 16, { salt: 'lamassu-server-salt', info: 'operator-id' }).toString('hex')
-}
-
-function getMnemonic () {
-  if (state.mnemonic) return Promise.resolve(state.mnemonic)
-  return fs.readFile(options.mnemonicPath, 'utf8').then(mnemonic => {
-    state.mnemonic = mnemonic
-    return mnemonic
-  })
-}
+const { getOperatorId } = require('../operator')
 
 function findOperatorId (req, res, next) {
-  return getMnemonic().then(mnemonic => {
-    return computeOperatorId(mnemonicHelpers.toEntropyBuffer(mnemonic))
-  }).then(id => {
-    res.locals.operatorId = id
-    return next()
-  }).catch(e => {
-    logger.error('Error while computing operator id\n' + e)
-    next(e)
-  })
+  return getOperatorId()
+    .then(({ id }) => {
+      res.locals.operatorId = id
+      return next()
+    })
+    .catch(e => {
+      console.error('Error while computing operator id\n' + e)
+      next(e)
+    })
 }
 
 module.exports = findOperatorId
diff --git a/lib/operator.js b/lib/operator.js
new file mode 100644
index 00000000..a39eaeed
--- /dev/null
+++ b/lib/operator.js
@@ -0,0 +1,8 @@
+const db = require('./db')
+
+function getOperatorId () {
+  const sql = `SELECT id FROM operator_ids WHERE description = 'mnemonic'`
+  return db.oneOrNone(sql)
+}
+
+module.exports = { getOperatorId }
diff --git a/migrations/1623413776161-create-operator-ids.js b/migrations/1623413776161-create-operator-ids.js
new file mode 100644
index 00000000..d48fcb1e
--- /dev/null
+++ b/migrations/1623413776161-create-operator-ids.js
@@ -0,0 +1,55 @@
+var db = require('./db')
+const pify = require('pify')
+const fs = pify(require('fs'))
+const hkdf = require('futoin-hkdf')
+
+const state = require('../lib/middlewares/state')
+const mnemonicHelpers = require('../lib/mnemonic-helpers')
+const options = require('../lib/options')
+
+function computeOperatorId (masterSeed) {
+  return hkdf(masterSeed, 16, { salt: 'lamassu-server-salt', info: 'operator-id' }).toString('hex')
+}
+
+function getMnemonic () {
+  if (state.mnemonic) return Promise.resolve(state.mnemonic)
+  return fs.readFile(options.mnemonicPath, 'utf8').then(mnemonic => {
+    state.mnemonic = mnemonic
+    return mnemonic
+  })
+}
+
+function generateOperatorId () {
+  return getMnemonic().then(mnemonic => {
+    return computeOperatorId(mnemonicHelpers.toEntropyBuffer(mnemonic))
+  }).then(id => {
+    return id
+  }).catch(e => {
+    console.error('Error while computing operator id\n' + e)
+    throw e
+  })
+}
+
+exports.up = function (next) {
+  const sql =
+    [
+      `CREATE TABLE operator_ids (
+        id TEXT PRIMARY KEY,
+        description TEXT NOT NULL)`
+    ]
+  generateOperatorId()
+    .then(operatorId => {
+      const sql2 = `INSERT INTO operator_ids (id, description) VALUES ('${operatorId}','mnemonic' )`
+      sql.push(sql2)
+      db.multi(sql, next)
+        .then(() => next())
+    })
+    .catch(e => {
+      db.multi(sql, next)
+        .then(() => next())
+    })
+}
+
+exports.down = function (next) {
+  next()
+}