Building in a bear market means shipping when no one's watching: Ethereum's 2018-2019 bear saw Uniswap launch at $0 attention, Aave iterate in silence, and Polygon emerge from obscurity. The builders who survived 2022 didn't wait for permission or price recovery—they solved real problems while capital fled. That's the unglamorous truth: bear markets aren't opportunities to buy; they're laboratories where conviction compounds into infrastructure.