Payment Service Providers (PSPs)
Intermediaries facilitating electronic transactions between merchants and customers.
What is Payment Service Providers (PSPs)?
PSPs like Stripe or Adyen handle payment processing, fraud detection, and compliance, supporting multiple methods including cards and wallets, with global revenues exceeding $150 billion in 2025. They provide APIs for integration, reducing merchant setup costs by 30-50%.
In FinTech and digital assets, PSPs enable cryptocurrency payments and CBDC integrations, as 75% shift to blockchain solutions amid banking restrictions. They ensure AML/CFT adherence, bridging traditional finance with DeFi.
Related Terms
OCO Order
A paired order where executing one automatically cancels the other.
Slashing
A penalty mechanism in Ethereum’s proof-of-stake (PoS) consensus where a validator’s staked ETH is partially or fully deducted for violating network rules.
Price Discovery
The process by which market trading determines the price of a digital asset, reflecting the collective probability of an event’s outcome.
Proof of Work
Proof of Work (PoW) is a consensus algorithm where nodes (miners) solve complex cryptographic puzzles to validate transactions and add new blocks to a blockchain.
Node and Client
Client are a software that enable participation in the Bitcoin network, where a node validates and relays blockchain data.
Liquidity (DEX)
Liquidity on a decentralized exchange (DEX) refers to the pool of digital assets locked in smart contracts, enabling seamless token trading by ensuring sufficient supply and demand for transactions.