Will Bitcoin still be on top in 10 years?
Other projects are pushing boundaries in scalability, smart contracts, and interoperability.
No any project is currently pushing towards the pace of bitcoin advancement and impact, there are lots of interesting new innovations, but they are no where to be found today with where bitcoin has reached, maybe in the next generation to come, something better may come, but in financial economy, bitcoin remains the best and no other because of its decentralization and freedom of financial privacy and security.
Is Bitcoin's simplicity and security enough to keep it ahead, or do you think another crypto might take over in daily utility or adoption?
Yes, you may take further steps in learning about blockchain technology, bitcoin nodes and bitcoin mining using PoW, then lastly, go through the bitcoin whitepaper, all you doubts and fear will be conquered.