Bridges: make it possible for parachains and parathreads to attach and communicate with external blockchains like Ethereum. Blockchains and wise contracts are generally limited to several standard transaction forms, like sending cash or triggering a deal. Transactions in between chains are minimal and often mediated by centralized solutions. Wooden, Web3 https://sethsqpml.therainblog.com/26296678/polka-dot-carts-things-to-know-before-you-buy