Introducing : the revolutionary decentralized protocol that not only serves as the consensus mechanism for the 3DPass blockchain network, but also prevents digital assets from being copied. This cutting-edge approach opens the door to trillions of dollars in global deals by tokenizing a wide range of objects, including Proof of Scan 3D models, 2D drawings, melodies, voices, and radio signals. But how does it work? To understand, let's compare to the more familiar used in many cryptocurrencies. Proof of Scan (PoScan) Proof of Work (PoW) “One object = One asset” rule PoScan operates under the rule and uses a recognition algorithm known as to authenticate 3D objects, unlike traditional hash functions like which can only authenticate text or files. "One object = One asset" Grid2d SHA256 SHA256 any text or file — > — > a hash inherent to the exact text or file SHA256 The chain from an object to its hash is broken. hash doesn’t have to do with anything real or representing value. SHA256 SHA256 The hash is going to remain the same, if the text or file is the same. Had you changed the file or text with one symbol or one byte, the output would have changed dramatically, even though it was still the same object (a picture with the same image on it, the same 3D model with just one dot on the surface, the same piece of music with 1 sec plus, etc). has no control over the object’s copies, it knows nothing about their existence. SHA256 SHA256 Grid2d 3D model in * *format -> -> (a list of hashes inherent to the object shape) .obj Grid2d HASH ID The hashes will match, if the object shape is considered to be the same within the error of resolution, which is possible to set up by means of the recognition parameters. In other words, irrespective to how many dots you put on the surface, the HASH ID would still have matched until you damage the object shape enough. Play around to get some practice. 3dpass mobile wallet It becomes obvious that using the recognition algorithm allows for authentication of nothing, but the object itself, while the regular SHA256 can only authenticate an exact text line or file. That is the crucial point to understand before moving on. Mining and block seal The mining and block-sealing process also differs from PoW. In PoW, miners compete to find a "nonce" value that, when added to the parent block hash, produces a specific output (ex. SHA256 output, which is below the limit called Difficulty) like this . “0000000000000756af69e2ffbdb930261873cd71“ In , miners must guess a unique-shaped 3D object, and the of that object is sealed to the parent block hash using SHA256 ( ) in a similar to PoW way (Difficulty limit is leveraged). This ensures that only unique and original objects are stored on the blockchain, providing asset copy protection and making the 3DPass blockchain the "Ledger of Unique Things." PoScan HASH ID learn the details Deterministic finality Additionally, PoScan provides deterministic finality, giving users the assurance that their tokenized assets will always be safe and secure. This makes it an ideal choice for dApp developers looking to protect and monetize their digital assets. Probabilistic finality in PoW In conventional PoW (Proof of Work) consensus (ex. Satoshi Nakamoto, which first was applied in Bitcoin), it is allowed for several legitimate chains to grow up simultaneously, and the longest chain wins the competition. Therefore, there’s always a chance for the best chain (the longest one) to be reorganized as a result of miners’ competition. This leads to the potential situation of losing control over the assets stored on the blocks that happened to get in the fork and eventually ended up useless. These situations are out of user control on Bitcoin, Ethereum (PoW), etc. Deterministic finality in PoScan is equipped with deterministic finality PoA (Proof of Authority) protocol in addition. There is an Authority set called Validators consisting of the most reliable nodes originally selected from out of miners — authors produced at least one block in the 100–8000 most recent blocks looking back. They vote upon the best chain, and after all voting rounds are complete there will be no chance for the to get reorganized (2/3 + 1 positive votes is enough to make the final decision). (Proof of Scan) PoScan GRANDPA finalized chain Scalability PoScan is designed to support a number of different recognition algorithms which would be the best fit for the particular industry or business process. algorithm was developed as the first one that suits just 3D objects. Expanding pass3d open source recognition library with new algorithms leads to the potential ability of tokenization such objects as: etc**.** Grid2d 3D models, 2D drawings, melodies, voices, and radio signals, Smart contracts and dApps Leveraging PoScan protocol opens the gateway to endless of potential implementations in decentralized world. In simple words, developers now can tether objects to smart contracts and dApps with one-to-one correspondence and protect digital assets from copying. Property rights borders are proved by math calculations and always defined by means of recognition parameters set up for each particular asset or group of assets. makes assets useful even offline, providing about the actual object properties. Multi-object option zero knowledge 3D or 2D art creators could sell their work as non-fungible or fungible tokens tethered to art object identity (HASH ID). Music could be sold p2p by pieces, as well (one track = one asset). copy-protected Some real objects could be tokenized and turned into backed digital currency, ex. diamonds/carats. Objects could be converted into limited supply users’ assets in different games, VR/AR, Metaverse. That was a small introduction of Proof of Scan protocol. Stay tuned! I hope you'll enjoy 3dpass as much as I do and create the best dApps ever! White Paper GitHub Web site: https://3dpass.org/

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Introducing the Proof of Scan Protocol for Smart Contracts and dApps

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