This is the final email they sent me:

Bitcoin Wallet address below.
bc1q7vxle6ekvqntla323v0w09t4yaakegpsn53plk
Make payment and send proof

I did google that BTC address:
https://mempool.space/block/00000000000000000002349473de1b8f66f12b65cdeb870c211927865c856e41?page=1

It has 230 pages, of what appears to me, people are depositing funds into that blockchain.