XRP, ETH, BTC surge; OPTO Miner launches passive income app Posted On August 13, 2025 OPTO Miner’s new mobile cloud mining app lets users earn stable daily crypto returns using just a smartphone. #sponsored Tags:Crypto, Doge, News Related Posts US Bitcoin ETFs End Outflow Streak With $744 Million Weekly Influx — Details Crypto Gamble Wipes Out 87% Of Smart Digital Group’s Market Value Crypto Funds See 4th Week of Outflows, but XRP and SOL Shine: CoinShares Report About The Author DogeMan