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I am wondering if calling JSON-RPC from the computer it is running on is secure. I read How secure is calling bitcoind JSON-RPC? and understand why it is insecure to do so from a different computer.

Is there a secure way to call it from the same computer without using SSL?

  • It's secure in principle. Just make sure that if your doing this on a computer connected to the internet that all relevant ports are closed. Also there is not all the much of a point in using ssl on localhost, it will just add latency. – Loourr Sep 14 '14 at 21:14
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Yes. By default, Bitcoin will only listen for RPC connections on local loopback. Local loopback cannot be accessed or spied upon by another computer.

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