Rollblock (RBLK), a new crypto presale, offers a revenue-sharing model to token holders.BCH and XLM holders are turning to RBLK for its passive income potential and higher returns.RBLK, an Ethereum iGaming protocol, offers weekly payouts, staking rewards, and token buybacks.With a strong growth potential, RBLK has attracted over $3.4 million from nearly 15k prospective investors.