Technical analysis is still working and effective in cryptocurrency, it may not be 100% accuratet but there is still possibilities that it could happen. Technical analysis, boiled down to its simplest, is just making trading decisions based on market data.
Logarithmic scale is the common tool to use in a good technical analyst in crypto. You will find that technical analysis using the logarithmic scale shows trends, support and resistance better. With the help of the technical analysis, traders and investors can choose and think wisely where and when to transactions in crypto.