Bitcoin and Ethereum ETFs have seen a significant increase of over $3 billion this week, according to Coinpedia Fintech News. This surge in investment showcases the growing interest in digital currencies among investors. The rise in ETFs for these popular cryptocurrencies indicates a positive trend in the market, as more people are looking to diversify their portfolios with digital assets. This news highlights the increasing mainstream acceptance and adoption of Bitcoin and Ethereum as viable investment options.