Well-known analyst CryptoYoddha foresees Polkadot (DOT) rising above its current price to new highs. Meanwhile, Bitcoin Cash (BCH) spiked 252% in the year-to-date (YTD) chart, positioning altcoin among the biggest gainers on the market. Against this backdrop, Rollblock (RBLK), a presale-stage project, has transcended the traditional online casino framework with an unparalleled online gambling experience.