The company/firm will share with you their Bitcoin address/QR Code to which you can send your Bitcoin payment. The btc Wallet is simply a free, open-source software program that will generate your first Bitcoin address. Many have even lost their money thanks to hacking attempts by elements that cracked the Bitcoin wallet. Hacking cost Polynetwork Finance, a cross-chain DeFi technology, $600M in crypto-asset losses in August 2021. Users can move their tokens between blockchains via polynetwork, Suggested Reading a cross-chain interoperability bridge. This comes under one of the greatest DeFi attacks that hackers have ever done. This is one of the primary reasons cryptocurrency investment may not be suitable for routine investment in the here and now.