IEEE/ICACT20220037 Slide.10        [Big Slide]       Oral Presentation
The local state office is responsible for providing all the necessary documentation and forms. The real estate agent or the broker coordinates all the deals and is usually the main point of contact for a seller/buyer. The financial institution could be a bank or public/private financial entity that has provided a loan to the buyer. There is also another entity involved in the case of a new home/property construction, which is the construction company known as a builder. All these entities need to communicate with a certain entity which is called the Ordering Service. This could be anyone, but usually, it needs to be the state government. The second component is the Certificate Authority (CA) who is responsible to authenticate all the other entities using a digital signature.

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