According to blockchain data company Chainalysis, cryptocurrency transactions associated with illegal activity topped $14 billion in 2021. That’s almost double 2020 numbers — and the momentum shows no signs of slowing. In addition to outright cryptocurrency theft, these crimes include investment fraud and ransomware scams that affect businesses. Yet cryptocurrency offers several advantages to entrepreneurs and established companies, including instant, low-fee transactions and access to new sources of capital. If you use cryptocurrency — or want to — understanding the risks can help prevent financial losses. The basics Cryptocurrencies use blockchain technology, a shared electronic ledger that records and stores transactions in the nodes of a computer network. Most cryptocurrencies use public blockchains, making it possible for anyone to see a digital wallet’s balance and transactions, including criminals....