Koszalin

Gwardia, Sportowa 34, Koszalin, Poland, 75-503

The training room is equipped with full modern amenities. It is located 3 kilometers from the city center....

Subcategories (11)

Image for Hyperledger category
Hyperledger
Image for Ethereum category
Ethereum
Image for Dapp category
Dapp
Image for Solidity category
Solidity
Image for Stellar category
Stellar
Image for Smart Contracts category
Smart Contracts
Image for Ripple category
Ripple
Image for MultiChain category
MultiChain
Image for Corda category
Corda
Image for Bitcoin category
Bitcoin
Image for Web3 category
Web3

Explore Our Courses

Advanced Bitcoin Mining: Techniques and Strategies

 14 Hours
This instructor-led, live training in Koszalin (online or onsite) is aimed at intermediate to advanced level participants who wish to deepen their knowledge of Bitcoin mining and its related technologies. By the end of this training, participants will be able to:
  • Implement advanced mining strategies for greater efficiency and profitability.
  • Develop and deploy custom mining software.
  • Design and manage secure mining operations.
  • Troubleshoot common mining issues and mitigate risks.
  • Keep up-to-date with the latest trends and innovations in the mining industry.
Read more...

Introduction to Bitcoin Mining

 7 Hours
This instructor-led, live training in Koszalin (online or onsite) is aimed at beginner-level participants who wish to gain a solid understanding of Bitcoin mining and its related technologies. By the end of this training, participants will be able to:
  • Understand the fundamentals of Bitcoin mining and its role in the Bitcoin network.
  • Set up and configure mining hardware and software.
  • Use mining software to participate in mining pools and earn rewards.
  • Understand the potential challenges of Bitcoin mining and how to mitigate them.
Read more...

Bitcoin for Developers

 14 Hours
This instructor-led, live training in Koszalin (online or onsite) is aimed at developers who wish to use Bitcoin to design and build custom applications integrated with bitcoin-based blockchain and cryptocurrency. By the end of this training, participants will be able to:
  • Set up the necessary development environment to start developing Bitcoin-based applications.
  • Understand the key concepts of Bitcoin and cryptocurrency in depth.
  • Understand the fundamentals of blockchain technology, use cases, and benefits.
  • Learn how to design a bitcoin-based blockchain.
  • Apply practical examples of Bitcoin scripting and stack-based programming.
  • Learn about the different transactions, security measures, and tools to interact with Bitcoin.
Read more...

Internet of Things and Blockchain

 7 Hours
The aim of the training is to introduce into the world of the Internet of Things (smart solutions) and blockchain as well as to show the advantages and disadvantages of these technological worlds.
Read more...

Ripple for Financial Managers

 7 Hours
Ripple (formerly known as OpenCoin) is an open-source, real-time gross settlement system (RTGS), currency exchange and remittance network. It is based on a shared, public database (ledger) that allows for distributed payments, exchanges and remittances. Ripple is used by companies such as UniCredit, UBS and Santander. In this instructor-led, live training, participants will learn how Ripple works by examining real-world case studies and stepping through a set of in-class live transactions on the Blockchain. By the end of this training, participants will be able to:
  • Understand how Ripple integrates into existing payment systems
  • Understand the concepts behind cryptographically signed transactions, fiat currencies, and Ripple's internal currency (XRP).
  • Use Ripple as an alternative remittance option
  • Conduct cross-border payments with retail customers, corporations, and other banks
  • Use tokens to represent fiat currency, cryptocurrency, commodity, frequent flier miles, mobile minutes and more.
Audience
  • Financial managers
  • Bank managers
  • Credit card company representatives
Format of the course
  • Part lecture, part discussion, exercises and heavy hands-on practice
Read more...

Monax: Build a Smart Contract Application

 7 Hours
In this instructor-led, live training in Koszalin, participants will learn how to build a smart contract blockchain application with Monax. By the end of this training, participants will be able to:
  • Develop and deploy a distributed application using blockchain and smart contract technology.
  • Understand design and functionality of 'smart contracts' and how to create one.
Read more...

Developing dApps with Web3, Solidity, and React

 14 Hours
This instructor-led, live training in Koszalin (online or onsite) is aimed at developers who wish to use Web3, Solidity, and React to create, build, and deploy decentralized applications (dapps) that run on blockchain. By the end of this training, participants will be able to:
  • Set up the necessary development environment to start developing dApps with Web3, Solidity, and React.
  • Understand the features and architecture of Web3.
  • Learn the key concepts of Ethereum, Smart Contracts, and Blockchain Cryptography.
  • Apply practical examples of Solidity programming and designing Smart Contracts.
  • Make React applications interact with Smart Contracts.
Read more...

Corda: Distributed Ledger for Financial Companies

 14 Hours
In this instructor-led, live training in Koszalin, participants will learn the underlying technologies behind Corda as they build and deploy a Corda based application. By the end of this training, participants will be able to:
  • Use Corda to build, deploy, and run a distributed ledger and financial application.
  • Use Corda to record, manage and automate legal agreements between business partners.
  • Implement privacy and scalability in decentralised applications.
Read more...

MultiChain: Set Up a Private Blockchain

 14 Hours
In this instructor-led, live training in Koszalin, participants will learn how to use MultiChain to set up a private blockchain and develop a sample application. By the end of this training, participants will be able to:
  • Install and use the tools needed for MultiChain development.
  • Create, connect, configure and use their own private Blockchain.
  • Create an initial node, start the genesis block, and enable private mining using other nodes in the network.
  • Transact native assets, enable and control mining, and install MultiChain Explorer and webDemo.
  • Use API commands to control MultiChain and handle error codes and messages.
  • Customize the runtime parameters that affect the behavior of individual nodes.
  • Create a consensual governance model for the blockchain.
  • Install and use popular bitcoin wallets and libraries for connecting to a MultiChain blockchain.
Read more...

Blockchain Development with Stellar

 21 Hours
Blockchain is a decentralized database system which stores data in ledgers distributed across many nodes. Stellar is an open-source distributed, hybrid blockchain infrastructure for payments. In this instructor-led, live training, participants will learn how to develop blockchain applications with Stellar. By the end of this training, participants will be able to:
  • Understand blockchain, its foundations, and how it works
  • Understand Stellar and how it works
  • Integrate Stellar into their own infrastructure
  • Set Stellar up for blockchain development
  • Understand advanced concepts and use reference applications to start building with Stellar
Audience
  • Developers
  • IT Professionals
Format of the course
  • Part lecture, part discussion, exercises and heavy hands-on practice
Read more...

Ethereum for Developers

 21 Hours
Ethereum is an open-source, public, blockchain-based platform that enables developers to build and deploy decentralized applications. In this instructor-led, live training, participants will learn the fundamentals of the Ethereum platform and blockchain programming, as well as strategies for writing, deploying and managing their own distributed applications. By the end of this training, participants will be able to:
  • Create a Smart Contract based on Ethereum
  • Create an Ethereum currency
  • Optimize development with Truffle Framework
  • Release their first Dapp based into the "token-economy"
  • Launch and crowdfund a blockchain project
Audience
  • Developers
Format of the course
  • Part lecture, part discussion, exercises and heavy hands-on practice
Read more...

Solidity: Introduction to Blockchain Programming

 14 Hours
In this instructor-led, live training in Koszalin, participants will learn how to write a smart contract using Solidity. By the end of this training, participants will be able to:
  • Create applications that implement self-enforcing business logic (applicable to smart contracts).
  • Implement code that leaves a non-repudiable and authoritative record of all transactions.
  • Develop Ethereum based executable distributed code contracts (EDCC).
  • Understand the basic and advanced features of Solidity and Ethereum Virtual Machine (EVM).
Read more...

Blockchain Development: Creating Decentralized Applications with .Net

 14 Hours
Decentralized applications or dApps are applications that run on the blockchain. In this instructor-led, live training, participants will learn how to develop decentralized applications (dApps) using Microsoft Visual Studio as they build dApps using two methods of integration with Visual Studio. By the end of this training, participants will be able to:
  • Understand the fundamentals of developing decentralized applications (dApps)
  • Understand the differences between typical ASP.NET applications and dApps
  • Learn how to work with smart contracts
  • Build dApps using Microsoft Visual Studio, BlockApps, and Solidity
  • Build dApps using Microsoft Visual Studio, Microsoft Azure, and BlockApps STRATO
Audience
  • Developers
Format of the course
  • Part lecture, part discussion, exercises and heavy hands-on practice
Read more...

Blockchain: Launch Your First Dapp

 7 Hours
In this instructor-led, live training in Koszalin, participants will learn how to assess, plan and release their own Dapp into the market. By the end of this training, participants will be able to:
  • Understand the characteristics of a Dapp (open source, decentralized, incentivized.)
  • Understand the characteristics of successful Dapp launches.
  • Kickstart, launch and manage a Dapp project.
Read more...

Ripple Blockchain for Financial Companies

 14 Hours
Ripple (formerly known as OpenCoin) is an open-source, real-time gross settlement system (RTGS), currency exchange and remittance network. It is based on a shared, public database (ledger) that allows for distributed payments, exchanges and remittances. Ripple is used by companies such as UniCredit, UBS and Santander. In this instructor-led, live training, participants will learn how to use Ripple to securely conduct global financial transactions that are instant and free of chargebacks. By the end of this training, participants will be able to:
  • Understand the concepts behind cryptographically signed transactions, fiat currencies, and Ripple's internal currency (XRP).
  • Integrate the Ripple protocol into existing systems and allow customers to access the service.
  • Conduct cross-border payments with customers, corporations, and other banks.
  • Use tokens to represent fiat currency, cryptocurrency, commodity, frequent flier miles, mobile minutes and more.
Format of the course
  • Part lecture, part discussion, exercises and heavy hands-on practice
Read more...

Ripple for Developers

 14 Hours
Ripple (formerly known as OpenCoin) is an open-source, real-time gross settlement system (RTGS), currency exchange and remittance network. It is based on a shared, public database (ledger) that allows for distributed payments, exchanges and remittances. Ripple is used by companies such as UniCredit, UBS and Santander. In this instructor-led, live training, participants will learn how to develop a service for conducting transactions on top of the Ripple payment system. By the end of this training, participants will be able to:
  • Understand the concepts behind cryptographically signed transactions, fiat currencies, and Ripple's internal currency (XRP).
  • Integrate the Ripple protocol into existing systems and access it with third party services
  • Use tokens to represent fiat currency, cryptocurrency, commodity, frequent flier miles, mobile minutes and more.
Audience
  • Developers
  • Technical persons in the financial industry
Format of the course
  • Part lecture, part discussion, exercises and heavy hands-on practice
Read more...

IBM ODM and Blockchain: Applying Business Rules to Smart Contracts

 14 Hours
Smart Contracts are used to encode and encapsulate the rules for automatically initiating and processing transactions on the Blockchain. In this instructor-led, live training, participants will learn how to use IBM Operational Decision Manager (ODM) with Hyperledger Composer to implement the business logic of a Smart Contract using business rules. By the end of this training, participants will be able to:
  • Use ODM's rule engine together with Blockchain to "unbury" rules from the codebase of a Blockchain application
  • Set up a system to allow specialist such as accountants, auditors, lawyers, and analysts to define the rules of exchange for themselves
  • Use Decision Center as a platform to collaboratively govern rules
  • Use ODM's rule engine to update, test and deploy rules without touching the code of the Smart Contract
  • Deploy the IBM ODM Rule Execution Server
  • Integrate IBM ODM with Hyperledger Composer running on Hyperledger Fabric
Audience
  • Developers
Format of the course
  • Part lecture, part discussion, exercises and heavy hands-on practice
Read more...

Blockchain Development: From Ethereum to Hyperledger

 21 Hours
This course has been designed for developers and project managers who would like to experiment with Blockchain in their products and projects. The course gives a basic know how on how to set up your private blockchain environment and throws light on some of the existing frameworks. By the end, this course gives a basic know how on how to setup your own blockchain application using Hyperledger Fabric.
Read more...

Blockchain: Hyperledger Composer for Building a Network

 21 Hours
In this instructor-led, live training in Koszalin, participants will learn how to build Blockchain business network and demo application using Composer. By the end of this training, participants will be able to:
  • Simplify the creation of smart contracts and blockchain applications.
  • Test devops processes by developing in a protected, risk-free environment before deploying.
  • Use Composer's purpose-built modeling language together with JavaScript to script transactions.
  • Implement a development process that aligns business requirements with development.
  • Develop production-ready browser-based blockchain applications in hours instead of weeks.
  • Integrate a blockchain network with existing systems.
Read more...

Hyperledger Fabric for Beginners

 7 Hours
This course has been designed for developers and project managers who would like to experiment with Blockchain in their products and projects. The course gives a basic know how on how to set up your own blockchain network using IBM Bluemix. Please note: Owing to limited learning options and everything already being pre-setup on Bluemix, it is used only for college students and in corporate cases we will be using AWS instance or virtual machines to setup the complete hyperledger fabric setup from scratch so as to accelerate the practical and handson knowledge absorption of the particpants.
Read more...

Blockchain: Hyperledger Indy for Identity Management

 14 Hours
In this instructor-led, live training in Koszalin (online or onsite), participants will learn how to create an Indy-based decentralized identity system. By the end of this training, participants will be able to:
  • Create and manage decentralized, self-sovereign identities using distributed ledgers.
  • Enable interoperability of digital identities across domains, applications, and silos.
  • Understand key concepts such as user-controlled exchange, revocation, Decentralized Identifiers (DIDs), off-ledger agents, data minimization, etc.
  • Use Indy to enable identity owners to independently control their personal data and relationships.
Read more...

Blockchain: Hyperledger Sawtooth for Enterprise Distributed Ledgers

 14 Hours
In this instructor-led, live training in Koszalin, participants will learn how to create blockchain application using Sawtooth. By the end of this training, participants will be able to:
  • Use Sawtooth to build, deploy, and run enterprise distributed ledgers.
  • Understand key concepts such as transaction-based updates, shared state, and consensus algorithms.
  • Use the Sawtooth blockchain network for applications ranging from international remittance, insurance claim processing, supply chain management and the Internet of Things (IoT).
Read more...

Blockchain - Theory and Practice

 7 Hours
This course explains what a blockchain is, where it is currently in use and where it can be potentially used.
Read more...

Blockchain for Banking

 14 Hours
Blockchain is a decentralized database system which stores data in ledgers distributed across many nodes. In this instructor-led, live training, participants will learn the fundamentals of blockchain and its applications in the banking industry. By the end of this training, participants will be able to:
  • Understand blockchain, its foundations, and how it works
  • Learn how blockchain can be applied to issues in the banking industry
  • Explore the different blockchain platforms available for banking
Audience
  • Managers
Format of the course
  • Part lecture, part discussion, exercises and heavy hands-on practice
Read more...

Blockchain for Developers

 14 Hours
This course has been designed for developers and project managers who would like to experiment with Blockchain in their products and projects. The course gives a basic know how on how to set up your private blockchain environment and throws light on some of the existing frameworks.
Read more...

Blockchain Development with Coinbase

 21 Hours
Blockchain is a decentralized database system which stores data in ledgers distributed across many nodes. Coinbase is a blockchain platform used to transact with digital currencies such as bitcoin, ethereum, and litecoin. In this instructor-led, live training, participants will learn how to develop blockchain applications with Coinbase. By the end of this training, participants will be able to:
  • Understand blockchain, its foundations, and how it works
  • Explore the products and features of Coinbase for developers
  • Start building their own Blockchain apps with the Coinbase API
Audience
  • Developers
  • IT Professionals
Format of the course
  • Part lecture, part discussion, exercises and heavy hands-on practice
Read more...

Blockchain for Entrepeneurs and Managers

 14 Hours
Target Audience
  1. Investors and entrepreneurs
  2. Managers and Engineers whose company is venturing into finance/commerce space
  3. Business Analysts & Investors
  4. Individuals interested in the in-depth concepts of Bitcoin
Read more...

Blockchain for Financial Bodies

 14 Hours
Target Audience
  1. Managers and Engineers whose company is venturing into finance/commerce space
  2. Business Analysts & Investors
Read more...

Blockchain for Medical

 14 Hours
Blockchain is a decentralized database system which stores data in ledgers distributed across many nodes. In this instructor-led, live training, participants will learn the fundamentals of blockchain and its applications in the healthcare industry. By the end of this training, participants will be able to:
  • Understand blockchain, its foundations, and how it works
  • Learn how blockchain can be applied to issues in the healthcare industry
  • Explore the different blockchain platforms available for healthcare
Audience
  • Managers
Format of the course
  • Part lecture, part discussion, exercises and heavy hands-on practice
Read more...

Blockchain in Supply Chain Management

 7 Hours
This instructor-led, live training in Koszalin (online or onsite) is aimed at executives, directors, and managers who wish to use blockchain technology to manage their supply chain operations and needs. By the end of this training, participants will be able to implement blockchain solutions to track, operate, and streamline their supply chain processes.
Read more...

Blockchain for Telecom

7 Hours
In this instructor-led, live training in Koszalin, we examine the core principles behind Blockchain technology and gain an understanding of its overall architecture and functionality. Throughout the course, we examine Blockchain technology's specific applications within the Telecom industry. Scenarios include security, payment systems, and user verification.
Read more...

Blockchain Use Cases for Entrepeneurs and Managers

 7 Hours
Blockchain is a technology for building decentralized systems. Blockchain network is a decentralized and distributed digital ledger that records transactions across many computers in such a way that the registered transactions cannot be altered retroactively. This This course introduces Blockchain and its use-cases to the delegates so that they can understand the various applications and choose the respective domain wisely for their future products and verticals. Target Audience
  1. Investors and entrepreneurs
  2. Managers and Engineers whose company is venturing into finance/commerce space
  3. Business Analysts & Product Owners
  4. Individuals interested in the in-depth concepts of Bitcoin
The course does not dive into depths of technicalities and hands on.
Read more...

Python and Blockchain

 28 Hours
This instructor-led, live training in Koszalin (online or onsite) is aimed at beginner-level to intermediate-level developers who wish to use Python to build blockchain and cryptocurrency applications. By the end of this training, participants will be able to:
  • Use Python to create and manipulate blockchain and cryptocurrency systems and data.
  • Use Python libraries and frameworks such as Flask, PyCrypto, and web3.py to interact with blockchain and cryptocurrency networks and services.
  • Use Python to implement smart contracts, consensus algorithms, and cryptographic protocols for blockchain and cryptocurrency applications.
  • Use Python to develop and deploy decentralized applications (DApps) that run on blockchain and cryptocurrency platforms.
  • Use Python to perform data analysis and visualization on blockchain and cryptocurrency data.
Read more...

Blockchain w praktyce – tworzenie smart kontraktów i aplikacji zdecentralizowanych

 21 Hours
Opis:
Projektuj, testuj oraz wdrażaj inteligentne kontrakty. Poznaj język Solidity oraz architekturę rozwiązań zdecentralizowanych.
Grupa docelowa:
Szkolenie dedykowane jest każdemu, kto chce zostać programistą/architektem rozwiązań wykorzystujących technologię blockchain.
Cele szkolenia:
  • Poznasz zasadę działania najpopularniejszej programowalnej sieci blockchain – Ethereum
  • Dowiesz się jak wykorzystać technologie rejestrów rozproszonych do budowy rozwiązań komercyjnych
  • Nauczysz się projektować oraz wdrażać inteligentne kontrakty
  • Opanujesz podstawy języka Solidity
  • Poznasz narzędzia usprawniające proces rozwoju DApps (Decentralised Applications)
  • Zobaczysz jak pokrywać smart kontrakty testami jednostkowymi
  • Uruchomisz i skonfigurujesz prywatną sieć blockchain
  • Zintegrujesz smart kontrakt z usługą sieciową np. w ASP.NET Core
  • Wygenerujesz token personalny zgodny ze standardem ERC20
  Forma zajęć
Warsztaty, wykład + ćwiczenia  
Read more...

Cryptocurrency Investigation

 21 Hours
This instructor-led, live training in Koszalin (online or onsite) is aimed at investigators and cyber security specialists who wish to understand cryptocurrency technology, identify criminal activities linked to it, and implement proper legal actions in their digital investigation. By the end of this training, participants will be able to:
  • Understand the logic behind Blockchain and Cryptocurrency.
  • Identify and prosecute illicit activities associated with Cryptocurrency transactions.
  • Implement methods and tools useful to Cryptocurrency investigation.
  • Integrate traditional and digital forensics for the protection of Cryptocurrency holders.
Read more...

Decentralized Autonomous Organizations (DAOs) for Investors and Entrepreneurs

 7 Hours
Decentralized Autonomous Organizations (DAOs) are organizations that run autonomously and make decentralized growth decisions through the use of blockchain technology. In this instructor-led, live training, participants will learn how DAOs work and decide whether using a DAO will benefit their organization. By the end of this training, participants will be able to:
  • Understand the basics of Decentralized Autonomous Organizations (DAOs)
  • Know how DAOs work and operate
  • Explore current and potential use cases of DAOs
  • Understand the advantages and disadvantages (risk) of using a DAO
Audience
  • Investors
  • Entrepreneurs
Format of the course
  • Part lecture, part discussion, exercises and heavy hands-on practice
Note
  • To request a customized training for this course, please contact us to arrange.
Read more...

Blockchain: Hyperledger Fabric

 14 Hours
This course has been designed for developers and project managers who would like to experiment with Blockchain in their products and projects. The course gives a basic know how on how to set up your own blockchain application using Hyperledger Fabric.
Read more...

IoT and Blockchain

 7 Hours
Internet of Things (IoT) is a network infrastructure that connects physical objects and software applications wirelessly, allowing them to communicate with each other and exchange data via network communications, cloud computing, and data capture. Blockchain is a decentralized database system which stores data in ledgers distributed across many nodes. Using blockchain technology with IoT allows accessibility and supply of IoT data without the need for central control. This integration opens up a suite of new possibilities and multiple benefits for business organizations. In this instructor-led, live training (remote), participants will learn how blockchain and IoT can work together as they step through a series of hands-on live-lab exercises. By the end of this training, participants will be able to:
  • Understand how blockchain and IoT can work together to provide solutions for their organization
  • Explore various tools and resources to implement a blockchain-based IoT solution for their organization
Audience
  • Developers
  • Managers
Format of the Course
  • Part lecture, part discussion, exercises and heavy hands-on practice.
Note
  • To request a customized training for this course, please contact us to arrange.
Read more...

Last Updated:

Testimonials (10)

I really enjoy the training with Patrick. He is clearly very knowledgeable on various topics related to blockchain. He explains really well.

Vanessa Rose - Bank for International Settlements
Course - Ethereum for Developers

everything interesting in this world

jesus isaias - si

Machine Translated

Zawansowanie technologiczne

Piotr Śliwa - Petrosoft.pl Technologie Informatyczne sp. z o.o.
Course - Blockchain in Supply Chain Management

This topic is better with F2F, but this online training is still handled well . The important thing is the trainees were able to have understanding of Hyperledger Indy

OMAR BIN MUSA - UNITAR International University
Course - Blockchain: Hyperledger Indy for Identity Management

Trainer knows very well the subject. He try to give a lot of examples in order that we understand "how" it is working. He answer to all questions raised. Very available.

christel salve - BICS
Course - Blockchain for Telecom

Mr. Chen has plenty of knowledge and experiences in the blockchain domain. I liked the sections that he was willing to discuss with me on some real sceanrios. He had a very clear view on the questions and gave me different advised/suggestions which I had in the real case. He was not selling his ideas but guided me to understand this new technology from different perspectives, by explaining pros/cons for each situations.

Hailiang Shi
Course - Ripple Blockchain for Financial Companies

Wiedza trenera była imponująca.

Piotr Masłowski - ING Bank Śląski S.A.
Course - Hyperledger Fabric for Beginners

Ogromna wiedza prowadzącego oraz łatwy sposób przekazwywania jej.

Bartosz Matuszek - Weegree Sp. z o.o. Sp.k.
Course - Blockchain: Launch your first Dapp

I really liked the i like his explanation.

Yang Bunleng
Course - Blockchain Development: From Ethereum to Hyperledger

I genuinely enjoyed the mode of interaction.

Deepak Gupta
Course - Blockchain for Developers

Upcoming Courses

Other regions in Poland

Other Countries

These courses are also available in other countries

Consulting

Blockchain Consulting
Online Blockchain training in Koszalin, Blockchain training courses in Koszalin, Weekend Blockchain courses in Koszalin, Evening Blockchain training in Koszalin, Blockchain instructor-led in Koszalin, Online Blockchain training in Koszalin, Blockchain boot camp in Koszalin, Blockchain instructor-led in Koszalin, Blockchain private courses in Koszalin, Blockchain classes in Koszalin, Evening Blockchain courses in Koszalin, Weekend Blockchain training in Koszalin, Blockchain trainer in Koszalin, Blockchain coaching in Koszalin, Blockchain on-site in Koszalin, Blockchain instructor in Koszalin, Blockchain one on one training in Koszalin