jmstresstestbitcoin.cashL°We could build a website where people can sign and upload raw tx's beforehand. All the tx's will then be broadcasted in the exact order, when we reach the agreed point in time.
https://whatsonchain.com/tx/12d4dba9f40a4bf55f30a787283f8074a85f8a9b7aa489083037429ddfe841ec