# Update History June 22. 2018 : Additional contents in Chapter 3 TARGET MARKET AND MARKET SIZE, Chapter 7 ALGORITHM "Proof of Thanks", and Chapter 8 RESISTANCE TO MANIPULATION August 9. 2018 Amendments in Chapter 1 ABSTRACT, Chapter 7 ALGORITHM "Proof of Thanks", and Chapter 16 CONCLUSION, additional contents in Chapter 2 BACKGROUND, Chapter 3 TARGET MARKET AND MARKET SIZE, and Chapter 6 BLOCKCHAIN TECHNOLOGY USED FOR PEACE COIN, and graphics replacement in Chapter 11 FUNCTIONS OF THE WALLET August 23. 2018 : Additional contents in Chapter 1 ABSTRACT, Chapter 2 BACKGROUND, Chapter 3 TOKEN CONCEPT "ARIGATO CREATION", Chapter 4 TARGET MARKET AND MARKET SIZE, Chapter 5 USE CASE, Chapter 6 TECHNOLOGY, Chapter 7 ALGORITHM "Proof of Thanks", and Chapter 9 ROADMAP, graphics replacement in Chapter 11 FUNCTIONS OF THE WALLET November 29. 2018 : Amendments in Chapter 9 ROADMAP, Chapter 10 FOUNDATION December 20.2020 : Additional contents in Chapter 4 TARGET MARKET AND MARKET SIZE, and Amendments in Chapter 9 ROADMAP and Chapter 12 FINANCE. June 17.2021 : Amendments in Chapter 4 TARGET MARKET AND MARKET SIZE, and Amendments in Chapter 13 TOKEN-ISSUING COMPANY. Jan 1.2025: Reorganised the whole document. Updated TECHNOLOGY sections to match the current implementation. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://peace-coin.gitbook.io/peace-coin/other/update-history.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.