Among the «old guard», business attendees included BitPay, the Bitcoin merchant processor that now has ten thousand merchants signed up
accepting Bitcoin, BitPay's European competitor
BIPS, US Bitcoin exchange and merchant processor Coinbase, and the alternative payment networks Ripple and OpenTransactions.
Short for the Bitcoin Internet Payment System,
BIPS is a payment processor that allows merchants from all over the world to buy and sell bitcoin, as well as
accept payments in the digital currency.