Here's a couple of cool sites relating to money for your web design inspiration.
Bank of Canada: Vertical 10
This microsite for the Bank of Canada highlights the new $10 Canadian bill. There's a couple of little glitches, but altogether it's a memorable site that encourages users to dive deep into the content. Cool cutouts, nice graphics, well compiled content.
Lovely contemporary styling in this cryptocurrency site. Simple animations, lovely treatment of type, and beautifully controlled use of colour. http://www.bitlocation.com/
An absolutely charming use of gentle video to communicate a concept. Great palette, well-targeted, and well-maintained. https://www.wealthsimple.com/en-ca