Quick Take In this weekly series, we dive into some of the most interesting data and developments across the Layer 1 blockchain landscape, from DeFi and bridges to network activity and funding L1 blockchains are now utilizing a variety of strategies to establish connections with other networks, building cross-chain communication protocols and expanding their native tokens to a range of different ecosystems As networks prepare for upgrades that will impact their future performance and scalability, many are employing some form of incentivized testnets to bootstrap an early user base and quickly identify potential issues This week, we take a look at Polkadot, Cosmos, Terra, and Avalanche