References

• https://www.woolet.co/ 
• http://www.mywalli.com/ 
• http://eksterwallets.com/ 
• http://www.trustedreviews.com/opinions/best-smart-wallet-kickstarter-cashew-wocket-walli-securityhttp://geekfence.com/2016/01/30/smartwallets-the-top-4-to-choose-from/ 
• https://www.indiegogo.com/projects/walli-the-smart-wallet#/http://www.bigskinny.net/five-wallet-problems.html