Greetings Professor, @besticofinder

thank you for your reply.
professor you asked me to remind you about task 3 and 4 that were evaluated but not cured. thank you very much.

task4
https://steemit.com/hive-108451/@laser145/introduction-to-cryptocurrency-mining-besticofinder-or-steemit-crypto-academy-or-lesson-4-by-laser145

task3
https://steemit.com/hive-108451/@laser145/crypto-academy-week-3-homework-post-for-besticofinder-explain-spot-trading-and-margin-trading-and-discuss-the-advantages-and