Ripple Labs has moved 380 million XRP, worth over $915 million, to an unknown wallet, sparking community speculation.The transfer comes ahead of the launch of Ripple's RLUSD stablecoin.Some see the transfer as internal movement, while others speculate it could be a selling move from Ripple.Ripple's RLUSD aims to improve liquidity and compete with leading stablecoin issuers, fueling optimistic market sentiments.