The 4th Pillar Ltd., Slovenia - Europe

4THTECH

Technology and terms explainers

Due to complexity of industry terminology we have prepared technology and terms explainers for terms; (1.) eDelivery; (2) blockchain; (3) blockchain edelivery; (4) blockchain wallet, and; (5) RSA and AES encryption

edelivery

eDelivery is a network of nodes for digital communications. It is based on a distributed model where every participant becomes a node using standard transport protocols and security policies. eDelivery helps public administrations to exchange electronic data and documents with other public administrations, businesses, and citizens, in an interoperable, secure, reliable and trusted way. It is one of the building blocks of the European Commission’s Connecting Europe Facility (CEF). These building blocks are reusable specifications, software, and services that will form part of a wide variety of IT systems in different policy domains of the EU.

Source: www.ec.europa.eu/cefdigital/wiki/display/CEFDIGITAL/What+is+eDelivery+-
+Overview

blockchain

Blockchain provides a decentralized and secure shared digital ledger, which gives participating parties a way of validating information related to a transaction. In doing so, it speeds up the process and cuts out intermediaries and costs. Blockchain is made out of a trail of validated facts. These facts can be anything from money to information. As part of this digital system of record keeping, each transaction and its details are validated and then recorded across a network of computers. Everyone who has access to the distributed ledger receives this information and the parties agree on the accuracy before the block is replicated, shared and synchronized among the entities. A Blockchain is virtually impossible to tamper with since each block of information references the block before it. In an age when trust is both elusive and held at a high premium, Blockchain presents a way to confirm, validate and authenticate both values and events. Smart contracts are basically a code or rules written into a digital program, which determine what happens when digital assets come in or when certain conditions are met.

Source: https://talirezun.com/publications/ 

blockchain edelivery

Blockchain eDelivery is a network of nodes for digital communications and document exchange. It is based on a decentralised model where files exchange process runs between blockchain wallets. Private and public cryptographic keys are used for transaction authentication. Blockchain eDelivery has significant security advantages, comparing to traditional eDelivery. FOURdx is world first developed and tested blockchain eDelivery protocol capable of; (1) connecting senders and receivers by executing document exchange; (2) performing eDelivery based on the current EU legislation, and; (3) archiving secure encrypted data storage. Designed and build based on Blockchain-technology, tested on KOVAN network and implemented on ETHEREUM main net in Q3 2018. Designed and build from the ground-up in Solidity the product is fully operational, compatible and ready for implementations.

Source: https://talirezun.com/publications/ 

blockchain wallet

According to Wikipedia, cryptocurrency wallet is a device, program or service which stores the public and/or private keys and can be used to track ownership, receive or spend cryptocurrencies. As all cryptocurrencies run on blockchains, cryptocurrency wallet can be referred also as blockchain wallets. Up to now blockchain wallet were mostly used for cryptocurrency asset holding and exchange. The 4THTECH ADD-ON is a Google Chrome extension wallet, that allows you to visit the distributed web of tomorrow in your browser today. It is one of our main innovations, a first system on the market capable of handling not only digital assets but also other assets such as links to encrypted documentation. Designed and build from the ground-up, the ADD-OD is fully operational and also offers a secure identity vault, providing a user interface to manage FOURid identities and sign blockchain eDelivery transactions. A 4THTECH ADD-ON can be comparable to a bank account. It contains a pair of public and private cryptographic keys. A public key allows for other wallets to execute eDelivery to the desired wallet’s address, whereas a private key enables the description of documents from that address.

Source: https://talirezun.com/publications/ 

RSA AND AES ENCRYPTION

According to Wikipedia, RSA (i.e. Rivest–Shamir–Adleman) is one of the first public-key cryptosystems and is widely used for secure data transmission. In such a cryptosystem, the encryption key is public and distinct from the decryption key which is kept secret (private). In RSA, this asymmetry is based on the practical difficulty of factoring the product of two large prime numbers, the “factoring problem”. FOURdx eDelivery protocol uses the advanced encryption standard (i.e. AES), with a combination of RSA encryption algorithms. The files and documents are first decrypted with a symmetric algorithm (i.e. AES). The asymmetric algorithm (i.e. RSA) is used to encrypt symmetric key and initialization vector (i.e. IV) with the public key of the receiver. This design does not allow an attacker to infer relationships between segments of the encrypted message.

Source: Wikipedia and 4THTECH publications

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