Fetches balances from Bitstamp API and returns them as securities

• Download Bitstamp extension bitstamp.lua
• In MoneyMoney app open “Help” Menu and hit “Show database in finder” (https://moneymoney-app.com/extensions/#installation)
• Copy bitstamp.lua in extensions folder
• In MoneyMoney app open “Preferences” > “Extensions” and make sure “bitstamp” show up (to use unsigned extension uncheck “verify digital signatures of extensions” at the bottom)
• Login to bitstamp.net
• To get an API key, go to "Account" > "Security" > "API Access"
• Check permission “Account Balance” (other fields can stay blank) and hit “Generate key”
• On the next screen hit “Active key” and confirm link in bitstamp email
• Finally in MoneyMoney add new bitstamp account and use your bitstamp customer id, API key and API secret

Add a new account (type Bitstamp Account”)

• Always assumes EUR as base currency