Filecoin (FIL) and Ripple (XRP) backers show excitement for Raffle Coin (RAFF)'s presale, eyeing its lucrative raffle jackpot feature. The post Excitement builds among Filecoin (FIL) and Ripple (XRP) backers for Raffle Coin (RAFF)’s presale with eyes on the raffle jackpot feature appeared first on Latest News and Insights on Blockchain, Cryptocurrency, and Investing .