"The road ahead is long and has no ending; yet high and low I'll search with my will unbending." I have always believed that customer support and customer service are among the most overlooked and least seriously discussed topics in the cryptocurrency industry. Despite playing a significant and indispensable role in the entire ecosystem, many people lack the necessary attention to it. On the surface, it seems to be an immature and even chaotic field. To this end, I spent five months delving into the current issues faced by customer support. To my surprise, many of the seemingly mismanaged situations are actually more due to misunderstandings. Behind this seemingly chaotic and complaint-filled phenomenon, there is a systematic logic that I will try to sort out, and I hope this article can serve as a reference material for similar disputes in the future. The first category: PEBKAC (Problem Exists Between Keyboard and Chair) Most of the time, the root of the problem actually lies with the users themselves. They transfer tokens to the wrong address or wrong network; enter passwords on fake websites; fall into scams that are obvious to anyone with common sense; and have no understanding of concepts such as buying, selling, holdings, soft forks, hard forks, airdrops, and staking.