Bitcoin гэж юу вэ, энэ нь хэрхэн ажилладаг вэ?
Bitcoin has the attraction of being peer-to-peer, electronic, and decentralized; it also offers high security against fraud or hacking as no central authority issues new bitcoins or overseas transactions. However, энэ хуудаснаас үзнэ if you want to read how to avoid bitcoin fraud.
WhatsApp)
