Can ETH overtake BTC?

Could you elaborate on the possibility of Ethereum (ETH) overtaking Bitcoin (BTC) in terms of market dominance and adoption? Given the unique features of Ethereum's smart contract capabilities and decentralized finance ecosystem, how might this scenario unfold in the coming years? Are there any significant challenges or roadblocks that Ethereum needs to overcome to achieve this milestone? Additionally, what impact could the growth of Ethereum have on the overall cryptocurrency market and the traditional financial system?