Dubbed the Big 4, the four largest accounting firms in the world are officially part of the blockchain revolution that's actively changing the world! The Big 4 includes: Deloitte, Ernst & Young, PricewaterhouseCoopers (PwC), and KPMG.
Let's breakdown how each of them are implementing CryptoCurrency.
Deloitte
Deloitte has been dabbling in Crypto for years. Beginning in 2014, they launched Rubix, "a blockchain offering that provides advisory services and builds distributed applications for clients across sectors, including the government." In 2016, they launched their first and second Blockchain labs, AND joined the Ethereum Enterprise Alliance (EEA) as well as the Hyperledger Project by the Linux Foundation in May 2017. Most recently, they've partnered with Waves Platform for “providing clients with comprehensive initial coin offering (ICO) services and customized blockchain solutions tailored for specific business tasks.” These guys have embraced crypto to such extremes that they've even installed a BTC ATM in their Toronto Office!
Ernst & Young
Ernst & Young recently started accepting Bitcoin as a way of settling invoices for auditing and advisory services! In May, of 2017 they've even joined the Bitcoin Association as a Corporate Member. Marcel Stalder, CEO of EY Switzerland, believes, “It is important to us that everybody gets on board and prepares themselves for the revolution set to take place in the business world through blockchains, smart contracts and digital currencies.” EY has also hosted a number of Startup challenges to solve real world problems such as handling digital identities. Most recently in April of 2017, EY launched Ops Chain which is a set of applications and services that bring blockchain technology to Enterprise use
PricewaterhouseCoopers
In November 2016, PwC launched Vulcan Digital Asset Services that aims to allow the use of Digital assets for banking services. According to PwC, "over three quarters of global financial services companies plan to adopt blockchain in live production systems by 2020."
KPMG
In September of 2016, KPMG launched Digital Ledger Services. Digital Ledger Services is a suite of technology that aims to bring financial service compainies the tools they need to realize the potential of blockchain technology such as bitcoin or Ethereum. KPMG's initiatives are supported by Microsoft’s Blockchain as a Service (BaaS) platform.