http://rcsiafjxoud4nyowtok5abpf7cxolbcg3ozk7jtnhhd5ao4ox774zhyd.onion
If you did not use Tor for the above bitcoin purchase, open the Tor browser to spend from wallet A. If you did use Tor, restart Tor to clear all cookies and possibly other traces before logging into wallet A to spend. Warning: If you want privacy laundering, troubling or mixing your bitcoin is essential.