The use of cryptocurrency may be illegal in some jurisdictions. It is your responsibility to be aware of the regulatory requirements for cryptocurrency transactions in your jurisdiction before using the Services. PayPal may not allow you, at your discretion and without any liability to you, to set up or access the Cryptocurrencies Hub, suspend, close or terminate your Cryptocurrencies Hub or limit the nature or number of activities you may participate in through your Cryptocurrencies Hub. This may happen if we are unable to verify your identity, if you participate in limited activities in accordance with a court order or other legal process, if you violate these cryptocurrency terms or any other agreement between you and PayPal, if we no longer offer cryptocurrencies Hubs in your country of residence or if our service provider no longer supports cryptocurrencies Hubs. among other reasons. You should notify us immediately by email to firstname.lastname@example.org if you discover or suspect: In 1998, Szabo proposed that an intelligent contractual infrastructure could be implemented by replicated asset registries and contract execution using cryptographic hash chains and Byzantine error-tolerant replication.  Akemos implemented this approach in 2002 with Scheme (later SQLite) as the contractual language. Smart contracts can simplify and streamline the process by automatically initiating a claim when certain events occur. Concrete details could be recorded on the blockchain in order to determine the exact amount of remuneration. Smart contract mortgages could also simplify the mortgage process. The terms of a mortgage contract are based on an assessment of the borrower`s income, expenses, creditworthiness and other circumstances. . .