Solana Hackathon Voting is Open, every Vote is appreciated; (1) FOURdx Solana “WeTransfer” Alternative (VOTE), and; (2) FOURim Solana On-chain Chat (VOTE).

FAQs | Frequently asked questions

We've tried to answer the most frequent questions about 4ThTech, Tchnology and Features, Interoperability and Uses. This list will be updated as we go. If you still have some questions, try our Support platform or Contact us.
General Info.
Broad questions about 4ThTech
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Tech. & Features
More about our Technology
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Interoperability
Multiple blockchains and how we use them
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Uses
What can you do with 4ThTech software
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FAQs | General Information

What is 4ThTech?
4thpillar Technologies or short 4ThTech is the next-gen multi-blockchain ecosystem, platform, cryptocurrency, and a suite of decentralized applications that enable users to exchange metadata, data files and instant messages from wallet to wallet in a secure and decentralized manner.

With a charter to establish foundation for:
• decentralized digital identity;
• multi-chain data exchange;
• digital data notarisation;
• decentralization of cloud storage;

4ThTech initiative strives to enable a self-sovereign framework of data authorization and ownership representation and leverages the power of blockchain to facilitate data source and time confirmation.

Established already in 2017, the initiative is composed of individuals and companies who collaborate to create decentralized solutions for the benefit of everyone, compatible and in line with European Blockchain services infrastructure and usable or extendable globally.

Where is blockchain used?
• The FOURid protocol connects wallets (Ethereum, HashNet, Substrate and Solana) when data is exchanged. It serves as the public key exchange point between users. The data sender needs a public key of the receiver.
FOURdx is defined as a decentralized network framework that supports any data file exchange between wallet addresses of supported blockchains (i.e. Ethereum, HashNet, Substrate and Solana). While the exchanged digital data is stored off-chain, the blockchain provides users with a link to encrypted off-chain files. The link to the JSON metadata file is recorded on a blockchain as a part of the protocol smart contract transaction.
FOURns enables sensitive data file time-stamp and origin verification using blockchain transaction and file checksum, which is stored on blockchain.
FOURim protocol can be defined as a decentralized network framework that supports messages exchange between wallet addresses of Solana blockchain. A Solana deployed smart contract saves instant messages from the sender and retrieves instant messages from receivers.

What is recorded on-chain and what is stored off-chain?
Links and checksums to JSON metadata files are recorded on-chain. All other data files are stored off-chain.
Did the London hard fork (EIP-1559) have any effect on the 4thTech protocols?
Ethereum’s London hard fork or the Ethereum Improvement Proposal 1559 (EIP-1559) did not affect 4ThTech services or protocols. 
Is FOUR utility or security token?
According to the legal opinion of YSL Legal LLP, the four-tokens are not “capital markets products” as stipulated or contemplated under the Securities and Futures Act by virtue of the Token Functions. Therefore, FOUR is a utility token.

FAQs | Technology & Features

What is 4ThTech 2.0?
4ThTech 2.0 refers to a set of system upgrades that made 4ThTech more user-friendlymore interoperable, with the purpose of making the software more adoptable.
What is X.509 standard?
X.509 standard digital certificate can be used for data encryption, notarization of signed data, digital signature, digital identity verification and timestamp. With various European Union certificate publications, the X.509 standard is widely used and as such appropriate for blockchain digital identity integration. The X.509 Public Key Infrastructure is also approved by eIDAS (i.e. electronic IDentification, Authentication and Trust Services).
What will 4ThTech Access Point be used for?
To connect to existing enterprise server backend systems, a high-end blockchain-enabled Access Point (i.e. AP) is needed. Govern by an Application Program Interface (i.e. API), the Access Point serves as a connection point between existing enterprise IT infrastructure (e.g. ERP) and blockchain network. Written in Java, the Access Point (i.e. API) will provide 4ThTech services access and will serve as a connection point between existing enterprise IT infrastructure (i.e. ERP) and the blockchain network of your selection.
What are the benefits for the users to stake FOUR?
FOUR staking provides FOUR holders with rewards in the form of service fee margin discounts, while it enables the FOURim (i.e. instant messaging protocol) right to access. Furthermore, by staking FOUR, users actively support the 4thTech ecosystem by allocating resources to it and contribute to the stability of the network.
How can 4ThTech be a GDPR-compliant application?
The 4ThTech protocol does not store any personal data on the blockchain. The data is stored off-chain. The protocol records links to encrypted files and hashes of the encrypted content on the blockchain. The hashing of exchange data enables the GDPR compliance, for example, if there were a request to delete some data (i.e. documents), the network controller would be able to delete the requested data from off-chain storage, leaving what would then become an empty hash on-chain.
Where will 4ThTech earn revenue?
With the FOUR staking deployment, 4thTech will start to charge services fee margin in cryptographic tokens to execute data exchange from wallet to wallet. The total public-chain service fee is based on: (1) chosen public blockchain network TX cost and (2) added 4thTech service fee margin.

• (1) Public-blockchain network TX cost is based on two TX needed to execute data exchange (i.e. FOURdx) and 4ThTech services fee margin. The first TX saves the link to the metadata file and checksum of the metadata file to the SC as the second TX sends the transaction fee in the native token (i.e. ETH, EDG, TOL, SOL) to the solution fee taker address.

• (2) 4thTech services fee margins are defined in FIAT but converted in ETH, EGD, TOL, SOL or FOUR based on the market exchange rate. (TX GAS_PRICE FEE depends on the public blockchain network selected).

FAQs | Interoperability

What are the main benefits of multi-blockchain interoperability?
The main benefit is to enable the users with more control over the choice of which blockchain to use when exchanging data. It all comes down to the user's preference. If decentralization is the key, then Ethereum with its 10k+ nodes is the obvious choice. The transaction will cost more and it may take up to 30 minutes to execute, but you will get the biggest decentralization factor when exchanging your sensitive data files. If you as a user are not so decentralization sensitive, than Edgeware, a Substrate of Polkadot could be your chosen network. The transaction costs almost nothing and it is executed almost in real-time. 
Why does 4ThTech support Polkadot Substrate?
Polkadot is a sharded blockchain, meaning it connects several chains in a single network, allowing them to process transactions in parallel and exchange data between chains with security guarantees. Thanks to Polkadot’s unique heterogeneous sharding model, each chain in the network can be optimized for a specific use case rather than being forced to adapt to a one-size- fits-all model. Due to Polkadot’s ability to bridge blockchains, 4ThTech compatibility with Polkadot Substrates plays a vital role in future cross-chain interoperability. The 4ThTech's Polkadot ecosystem deployment enables future interaction like electronic data and documents exchange with external networks like Ethereum, where 4ThTech is already deployed.
Why does 4ThTech support HashNet?
• HashNet is a scalable, fast, secure, and fair decentralized-beyond blockchain project, leveraging Distributed Ledger Technology (DLT) and consensus algorithm which keeps all positive characteristics of blockchain technology while increasing throughput to more than 50,000 transactions per second (tolar.io, 2019). 
• HashNet is 100% secure and according to developers, it can’t be hacked due to the power of the distributed algorithm. Also, combining Proof-of-Stake and master node creates transparency, since the participants are compensated for correct voting. The network is using Proof-of-Stake with master nodes, which eliminates the need for massive energy consumption. 
• 4ThTech blockchain applications were deployed at SI-Chain in July 2020. SI-Chain is a HashNet protocol powered Slovenian National Pilot Infrastructure. With 4thTech deployment on SI-Chain, 4thTech applications now enable HashNet based enterprises and public chain users with adoption solutions. The HashNet protocol was designed with unique characteristics such as transaction speed and scalability, which makes it a perfect Enterprise blockchain underlying infrastructure for 4thTech solutions.

Why does 4ThTech support Solana?
• Solana is the next generation censorship-resistant blockchain with over 500 validators, extreme transaction speeds and low cost, therefore perfect for Layer 1 on- chain instant messaging. Solana leverages Proof of History and several other breakthrough innovations to allow the network to scale at the rate of Moore's Law. 
• According to Solana, the average transaction confirmation is 0.89s, with up to 50.000 TPS capacity and transaction (i.e., TX) price of 0.00025$ (21.5.2021), which theoretically enables almost real-time messages to exchange with low TX cost.

FAQs | Uses

What utility can I find in FOUR?
4ThTech token (i.e. FOUR) is the ecosystem native utility token, used as the primary means to enable services, incentivize participants. It represents a unit of value with the right to stake and access to services discounts while enabling ecosystem tokenization.
Where can I personally use 4ThTech?
4ThTech can be used to exchange securely and instantly personal data files, sensitive documents and messages without any intermediaries. 
Where can I use 4ThTech in my company?
4ThTech ecosystem enables enterprises to solve important blockchain challenges within a niche industry of data file exchange and eDelivery while providing scalable, interoperable, multi-blockchain solutions.
The 4thPillar trademark is registered under the number 017683285 with the European Union Intellectual Property Office. © 2021 4thTech Consortium, all rights reserved. 

The content of this website is provided for information purposes only and is not to be used or considered to be an investment recommendation or an offer or solicitation to buy or sell to any securities or tokens. Read more in 4thTech Terms of Service.
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