Legal status of using Tor network depends on different factual situations and different legal jurisdictions. Consult a local law for more information.
Tor is free and open-source software for enabling anonymous communication by directing Internet traffic through a free, worldwide, volunteer overlay network in order to conceal a user's location and usage from anyone conducting network surveillance or traffic analysis.
Onion routing is a technique for anonymous communication over a computer network. In an onion network, messages are encapsulated in layers of encryption, analogous to layers of an onion. The encrypted data is transmitted through a series of network nodes called onion routers.
Prerequisites
Have a Tor SOCKS proxy running on port 9050. See Tor documentation for details.
Gridcoin Onion Service
Gridcoin Plateaux Onion Service for Gridcoin Research is a group of dedicated nodes which can be accessed through Tor network.
It is maintaned to provide privacy and anonymity for using Gridcoin blockchain.
Gridcoin Wallet configuration
Minimal configuration of "gridcoinresearch.conf" recommended for privacy.
This anonymous configuration allows to connect only the to the Gridcoin Onion Service and does not send a query to discover source IP address. It also does not check release update in GitHub.
To verify your wallet is correctly connecting to the node execute "getpeerinfo" command.