Also known as: CA++, CA.
CA has various meanings in the Internet Slang category. Discover the full forms, definitions, and usage contexts of CA in Internet Slang.
A certificate of authenticity is a seal or small sticker on a proprietary computer program, t-shirt, jersey, or any other memorabilia or art work, especially in the world of computers and sports, it is commonly a seal on paper authenticating a specific art work which and is made to demonstrate that the item is authentic. Computer COAs have a license number on them, which verifies that the program is a genuine, legal copy.
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