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The Galician Association of Industrial Engineers (ICOIIG) is the first professional association in Spain to implement blockchain technology. Our services enable the ICOIIG to certify professional endorsements in the Alastria network, and guarantee  their authenticity.

“Our main objective was to offer a service that served as a distributed ledger for our digital signature and e-invoicing operations, and was tailored to the needs of our clients. I’m confident we’ve succeeded!”

Diego González, Blockchain expert at Docuten

More questions?

One of the main advantages of blockchain technology is the increase in security it provides internationally, due to its distributed nature and the fact that it can be publicly audited.

Within blockchain networks, those deemed “public” or “permissionless” tend to be transnational, so when a certain operation is carried out on a smart contract, it is reflected identically in thousands of nodes across the globe.

In the case of the Alastria Telsius network, where Docuten’s smart contracts operate, all nodes are located in EU countries. Meaning, this network does not entail a global infrastructure, but rather (having been created in Spain) a regional network operating at the European level. While still distributed, all nodes are located within the EU, which facilitates operation under common legislation.

This provides the assurance for us as well as our clients that we can benefit from all the advantages of decentralisation, but protected under the umbrella of a national and European legal framework.

More information in this video.

A hash is a fingerprint that helps us identify the content of a file in a simple sequence of characters.

Regardless of the size of a file its hash will always have a certain length, which allows you to publish a unique identifier, or, an alphanumeric sequence that represents the content of the file. This is a fingerprint that identifies all of the file’s content in a simple line of text without needing a lot of disk space or having to publish confidential information associated with the content of the file.

In other words, the hash is a sequence that can be determined from the content of a file but not vice versa. Meaning, it is impossible to obtain the content of a file from a hash. It does not compromise the data that the file contains.

More information in this video.

When we talk about smart contracts, we are generally referring to computer programs that guarantee the enforcement of an agreement between two or more parties. Initially, the concept was used to designate formal descriptions lacking semantic ambiguity that could act as guarantor of an agreement without the need for a third party.

The term “smart contract” has been generalized and is commonly used to describe all types of programs whose logic can be executed in a system with blockchain technology.

In other words, we tend to call smart contracts small programs with diverse tasks that share the fact that they “live on the blockchain” and whose correct execution is guaranteed by the nature of this type of technology.

More information in this video.

Docuten’s smart contracts operate on the Alastria Telsius network.

All nodes in this network are located in EU countries. This provides the assurance for us as well as our clients that we can benefit from all the advantages of decentralisation, but be protected under the umbrella of a national and European legal framework.

At Docuten, our blockchain solutions for digital signature and electronic invoicing are available for companies that need extra security in the management of documents.

Our public audit service on the blockchain allows the existence and history of your documents and invoices to be registered in a decentralised, independent and transparent structure. This mechanism allows you to audit their existence and monitor their life cycle, and does not compromise private data that is securely saved in Docuten.

When we talk about blockchain technologies, we are referring to a set of software solutions and a series of networks that share a decentralized structure and a common protocol. These technologies allow encrypted information to remain in transactions grouped into data structures called blocks, that get chained together as the nodes verify the transactions.

Blocks that have been validated by various nodes in the network (consensus) are integrated into the blockchain. If we consider that each block has a reference to the previous block, the blockchain becomes a completely decentralized database that no node in the network can manipulate without the consensus of the majority.

In the case of Docuten, the use of blockchain technologies provides a public and external audit service for documents and invoices that gives our clients a greater degree of security.


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