Brazilian kid made 6,500% on fathers Bitcoin investment In 2017, a father made the most needed and profitable move of all buying 1 BTC for $915.8 in honor of his daughters birthday. "I bought Bitcoin for her not just as a gift, but as a way of investing in this new economy," the happy father added. Already, the 4-year-old Brazilian girl owns $61,700, and could well be a millionaire by the time she comes of age. 1.4K views15:19