Demand for equity investment in the bank was so strong it crashed Crowdcube’s servers on 1 March when the campaign was initially launched. Mondo capped investment per person at £1,000 in an attempt to allow as many people as possible to invest in the company. This resulted in 1861 people investing an average of £537 in order to share proportional slice of the offered 3.3% equity share in the startup.

http://www.forbes.com/sites/freddiedawson/2016/03/04/app-bank-mondo-crowdfunds-1m-in-96-seconds/#6d33237c3f4c