Closed Ecosystem: Traditional poker platforms requiring proprietary software download from all users and geo-restrictions for their servers.
Open Ecosystem: Platforms allowing users to make a game as fast as possible without any restrictions and be able to share with anyone to join.
Crypto Native: As close as possible integrations with decentralized blockchains. Anonimous and trustless transactions. Variety of stakes and currencies.
No Crypto / Tradfi: Traditional requirements for KYC, bank accounts and currency limitations.