Ethereum and Bitcoin, two of the world’s largest blockchains, are facing significant challenges in scaling their networks. As more users and transactions move to layer two (L2) solutions, these systems could undermine the security and sustainability of the base layer (L1), with fees and rewards for miners and validators dwindling. Growing L2 Adoption Raises Concerns […] Source: https://news.bitcoin.com/l2-scaling-challenges-may-undermine-ethereum-and-bitcoins-long-term-security/