TL;DR:EigenLayer introduced restaking to let new blockchain services/networks borrow Ethereum’s economic security (validator set + capital) instead of building their own - solving the “cold start” problem for crypto infrastructure.Since then, it has expanded to support staking with other assets, not just ETH, making it more flexible and accessible to more participants.But as more services launched, it became clear that developers were still rebuilding the same basic components again and again...