Top Bitcoin Newsletter Publishes Its Year-End Review

Here’s where the controversy lies. According to some Bitcoin business owners, certain vendors are willing to accept riskier unconfirmed transactions because they deal with low value goods and services. Those vendors have strategically optimized their operations to minimize the risk from these zero confirmation (unconfirmed) transactions. The catch, though, is that optimization is only based on opt-in RBF and not full RBF.