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Protocol Basics

Get started with foundational concepts of Divergence v1.
In a European digital options transaction, the buyer pays a premium and obtains the right to receive a return. This right is tokenized and exercisable at options' maturity. The seller receives the premium and assumes the obligation to provide a return under certain circumstances.
In a Divergence v1 pool, one pays premiums to market buy call or put tokens. Before a swap transaction, there must be liquidity for a price range. The liquidity providers (LPs) are passive sellers of options. The liquidity they provide ensures that options can be paid off upon settlement. LPs collect fees for transactions within their liquidity range. The premiums they receive are kept in the pool and reserved for settlement.
Before options expire, one can also provide previously purchased calls or puts as liquidity to close his long exposures, or buy calls or puts to hedge his open short exposures.
At settlement, anyone can call the smart contracts to retrieve a settlement price from Chainlink's decentralized oracle network. If the underlying price is above or equal to the strike price, the call options are in-the-money. Call token holders can exercise their rights to receive one collateral per option. LPs have the seller obligation to pay for their open shorts in calls. Otherwise, the put options are in-the-money, and put holders can claim one collateral per option. LPs have the seller obligation to pay for their open shorts in puts.
For broader discussions about digital options as a financial derivative, and the core swap and liquidity functionalities of Divergence v1, visit the following pages:
For those who are looking for a quick reference on options trading, view the one-page summary of options specs. To dive deeper, please refer to the whitepaper and the technical documentation of Divergence v1 smart contracts.