Birdeye

Block’s open-source (Apache-2.0) human+agent workspace on Nostr. Channels, git, workflows; agents as keypair members. Hosted buzz.xyz or self-host relay. github.com/block/buzz.

Global fiat-to-crypto on-ramp and off-ramp infrastructure — card, bank transfer, and local payment methods integrated into wallets, exchanges, and dapps. Solana supported.