Ethereum co-founders Vitalik Buterin and Joseph Lubin discussed the problems and prospects for the development of the platform at a recent event in Brussels. 🌐 They noted the importance of layer-2 networks to improve performance and reduce cost for end users. Lubin emphasized that zero-knowledge proof (ZK-proof) technology is a key approach to providing high-speed and low-cost functionality. However, user experience remains an important barrier to attracting mainstream users.