One route you could go down is sharing with a newspaper. Several newspapers have projects where they want to be able to accept stories anonymously. E.g.: https

One route you could go down is sharing with a newspaper. Several newspapers have projects where they want to be able to accept stories anonymously. E.g.: https://www.theguardian.com/help/ng-interactive/2017/mar/17/contact-the-guardian-securely https://www.theguardian.com/help/ng-interactive/2017/mar/17/...