Crypto Startup Wala Is Reaching Real Africans with Ethereum Micropayments ByLeigh CuenPRO INVESTOR Updated: 11 June 2018 DisclosureWe sometimes use affiliate links in our content, when clicking on those we might receive a commission – at no extra cost to you. By using this website you agree to our terms and conditions and privacy policy. Wala is using microraiden for high volume, low-value transactions off-chain.