http://j5kv55yiu3rneydqn4f35kyhejbq3fhkkm7glg5nbtvxgaxthou7g2ad.onion/case-study.html
Users may
install the Mailvelope browser extension on Chrome or Firefox,
and once configured, can read decoded messages without any other
application. Limitations Money Scale and money are the main limiters for a web application.
Currently, at ~$1,500/yr, it’s a manageable number, even if the
hosting organization took it on entirely.