By design XRP is centralised for the first few years. Unlike most coins, XRP's genesis block had 100% of the total supply available. All these coins were in the control of the developers, Ripple Labs. However the team has decentralised it by a decent level through locking an amount in escrow and selling XRPs to financial institutions, payment portal providers, exchanges and banks, in order to kickstart their xRapid software.
People use to think that if the Ripple Labs company closes, then the cSee full review