rich1.0LNMarkets (npub1ln…utnnn)https://yabu.me/npub1lnm0ac8ft8r3jhddchekledgwvqrkwy7wqejjwcxq47gy87te8zs6utnnnnjumphttps://yabu.meOnce everybody has signed, the transaction is broadcast, resulting in multiple channels opening in a single Bitcoin transaction, which is both great for privacy (this is akin to a coinjoin) and an efficient use of blockspace (unlike JPEGs).