Does Ripple use NTP or expect the nodes to do so?

If not, why not? It seems that Ripple is a little more closed than your standard cryptocurrency, so this doesn't seem like an excessive demand.

1 Answer 1


The Ripple server has SNTP support to tolerate system clocks that are inaccurate.

The consensus process also builds a consensus network time. Each validator pulls the consensus network time a bit closer to their local time. This consensus network time becomes the close times included in ledgers that support features like expiring cross-currency offers.

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    We're client-server between the server and the client. We're p2p among servers. Anyone who wants to can run a server. We don't want to gratuitously cause problems just because someone's clock is off. Apr 4, 2014 at 3:08

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