Beginning in July 2021, Alliant is changing its rewards structure on the Alliant Cashback Visa® Signature Credit Card. Alliant will offer cardholders a tiered rewards program that will impose new requirements in order to snag that solid 2.5% cash-back rate on purchases. Here’s a look at what’s changing. New rewards requirements The new tiered rewards... Melissa Lambarena writes for NerdWallet.