On September 20, Stellar (XLM) completed its protocol 20 upgrade, geared at introducing support for businesses and developers building on the Stellar network. According to Stellar, the upgrade was a complex one, and by far the biggest since the project launched. While the upgrade on Wednesday was only a testnet version, Stellar in its blog The post Stellar’s Protocol 20 Upgrade Has A Surprising Effect on XLM appeared first on Coin Edition .