Someone just published a paper which includes among other things a valuation model, which by very conservative assumptions would valuate XRP at $2.25 in 2-3 years. Just published " #XRP - taking the fast lane?". Everyone talking Bitcoin. But smart money started to flow into $XRP . https://t.co/OcTjUYhGzf — Tplus0 (@TplusZero) June 12, 2017
TL;DR: It's possible to find out others' secret keys but it's so improbable that it's almost impossible. Make sure you have a good entropy source when generating your address/secret key. Use multi-sign https://ripple.com/build/how-to-multi-sign/ See the discussion here: https://www.xrpchat.com/topic/6054-questions-about-secret-keysripple-wallet-addresses/
https://xrpcharts.ripple.com/#/validators/nHBTqw7vwjqrSMruoQNYmSXcrBmQHDquG7jgvrsQpurGaVELqdNx I will ping ripple again if it is still like this on Monday.