Dogecoin pops after Musk tweets about 'promising' system improvements
https://www.reuters.com/article/us-crypto-currency/dogecoin-pops-after-musk-tweets-about-promising-system-improvements-idUSKBN2CU2JC
Cryptocurrency dogecoin jumped as much as 20% on Friday after Tesla boss Elon Musk said he was involved in work to improve the token's transaction efficiency.