AI-generated summary
Distributed Ledger Technology (DLT) encompasses various technologies designed to record, share, and synchronize data across multiple users and locations in a decentralized manner. Blockchain is a prominent subset of DLT, initially introduced through Bitcoin, which organizes data into linked “blocks” secured by cryptographic methods. Beyond its cryptocurrency origins, Blockchain is now applied in diverse sectors such as cross-border payments, supply chain monitoring, property registries, and digital identity management, offering advantages like decentralization, transparency, efficiency, cost reduction, and programmability.
Despite its potential, Blockchain faces unresolved challenges including scalability, interoperability, security, identity verification, data privacy, and legal-regulatory frameworks. Different Blockchain platforms vary by cryptographic techniques and consensus mechanisms, forming either public or private, permissioned or permissionless networks. There are two main types of DLT solutions: business-oriented platforms aimed at efficiency and cost reduction, often permissioned and sector-specific, and universal platforms emphasizing disintermediation and anonymity, with greater potential for social impact. Advanced platforms support “smart contracts,” programmable transactions executing conditions automatically. Experts highlight Bitcoin and Ethereum as leading contenders among numerous platforms, with innovations like Bitcoin’s Lightning Network promising to enhance scalability and transaction speed, potentially revolutionizing payment systems.
Distributed ledger technologies are based on blockchain, a technology that is revolutionizing money.
In recent years, different distributed ledger technologies have emerged, called DLT (Distributed Ledger Technology) technologies. While many people refer to these technologies as DLTs or Blockchain interchangeably, it is worth noting that Blockchain technologies are one form of DLT, but not the only one.
A DLT is a technology that allows transactions and data to be recorded, shared, and synchronized between multiple users in multiple locations, creating a decentralized environment. This database is replicated on users’ computers and is updated using consensus protocols.
Within DLT solutions, theone that is having the longest run is Blockchain, a technological innovation introduced by the creator (or creators) of Bitcoin. It is currently being used as a solution enabling infrastructure far beyond its initial origin
What is Blockchain?
Blockchain is a particular type of DLT technology that stores and transmits data in packets called “blocks” that are connected to each other in a digital “chain.” Blockchain technologies employ cryptographic and algorithmic methods to record and synchronize data, across a distributed network, in an immutable manner.
In addition to being the underlying technology of Bitcoin, Blockchain technology is being applied to fields as diverse as cross-border payments, international transfers, registration of movable guarantees or bond issuance. Outside the financial field, in property registries, monitoring in supply chains or solutions related to digital identity, such as its application in the Civil Registry.
The advantages of this technology over centralized solutions can be summarized as:
- Decentralization,
- disintermediation,
- greater transparency and easier auditability,
- gains in speed and efficiency,
- cost reductions and
- automation and programmability.
Since it is an incipient technology, it also faces challenges that have not yet been resolved and for which diverse, not yet mature, solutions are being proposed. The challenges to be solved are technological, legal and regulatory such as scalability, interoperability, security, identity verification, data privacy, dispute resolution. Overall, the challenges in developing a legal and regulatory framework for Blockchain solutions, which can bring fundamental changes in the roles and responsibilities of participants.
Nowadays there are many Blockchain platforms, which apply different cryptographic methods and different consensus mechanisms and can form private networks or public networks, permissioned (to access they have to give you permission) or not permissioned (anyone can access).
Types of DTL
We can distinguish two types of solutions:
1. Business solutions that seek greater efficiency, lower costs and less need for intermediation. They are typically built on permissioned and in some cases, private Blockchain platforms, and can be vertical (Banking, Insurance, Energy, Transportation, etc.) or horizontal (e.g., the platform that Alastria builds).
2. Universal solutions that above all seek disintermediation and anonymity. According to our expert at the Future Trends Forum, Jerry Brito, this is where the greatest degree of innovation and the greatest capacity for profound social changes to take place resides.
The most advanced platforms incorporate the ability to embed programming within the transactions that are recorded in the blocks, allowing certain actions to be executed when certain conditions are met. These are called “Smart contracts”.
The most popular Blockchain platforms are: Bitcoin, Ethereum, EOSIO, Hedera Hashgraph, Hyperledger, NEO, OpenChain, Quorum, R3 Corda or Stellar.
In the following video, Raúl Marcos, an expert in Blockchain, tells us what Blockchain technology is:
For our expert, Jerry Brito, the biggest innovation that has taken place in recent years in terms of public and permissionless Blockchain platforms, in addition to the appearance and consolidation of Ethereum, is “Lightning Network” on Bitcoin. This is a software layer on top of Bitcoin that looks set to solve the problems that have been blamed on Bitcoin so far: Lack of scalability, transaction pricing, speed of execution. The Lightning Network promises the possibility of instant payments thanks to “smart contracts” that will not require the creation of a transaction for each payment and the possibility of making micro payments at practically zero prices per transaction.
On the other hand, Jerry predicts that of the multiple existing Blockchain platforms, a handful of them will end up prevailing (no more than 2 or 3), with Bitcoin and Ethereum being two of the practically safe candidates for him.
