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Blockchain

Blockchain (also dubbed as ‘distributed ledger technology’) is a decentralized computational technology that serves as a basis for cryptocurrencies. As Web 3.0 technology, blockchain allows building decentralized economy solutions. Bitcoin is the first blockchain, while Ethereum is a second one.

U.today covers all hot blockchain news, technical expertise and market predictions. Read our stories and enjoy this journey from the crypto newbie to blockchain geek!

EIP 4337 Activated by Ethereum (ETH): Comprehensive Guide
03/07/2023 - 23:50
EIP 4337 Activated by Ethereum (ETH): Comprehensive Guide
Vladislav SopovVladislav Sopov
OKBChain Introduced by OKX: What Do We Know So Far?
02/16/2023 - 20:30
OKBChain Introduced by OKX: What Do We Know So Far?
Vladislav SopovVladislav Sopov
What is ChatGPT and How Does It Change Crypto: Guide
02/03/2023 - 09:14
What is ChatGPT and How Does It Change Crypto: Guide
Vladislav SopovVladislav Sopov
Top 10 Crypto Scams and Hacks of 2022
01/05/2023 - 10:55
Top 10 Crypto Scams and Hacks of 2022
Vladislav SopovVladislav Sopov
SEC vs. Ripple: The Major Highlights and Key Twists of 2022
12/31/2022 - 20:00
SEC vs. Ripple: The Major Highlights and Key Twists of 2022
Gamza KhanzadaevGamza Khanzadaev
These EIPs Can Change Ethereum: Comprehensive Guide
12/30/2022 - 05:00
These EIPs Can Change Ethereum: Comprehensive Guide
Vladislav SopovVladislav Sopov
Next Generation of L2 Solutions for Ethereum: Review
09/09/2022 - 12:16
Next Generation of L2 Solutions for Ethereum: Review
Vladislav SopovVladislav Sopov
XRPL Meets NFTs: Comprehensive Guide to XLS-20 Proposal
09/01/2022 - 12:12
XRPL Meets NFTs: Comprehensive Guide to XLS-20 Proposal
Vladislav SopovVladislav Sopov
Polygon Network's (MATIC) zkEVM: Everything You Should Know in New Blockchain Guide
08/15/2022 - 06:00
Polygon Network's (MATIC) zkEVM: Everything You Should Know in New Blockchain Guide
Vladislav SopovVladislav Sopov
Ethereum on Proof-of-Stake: Comprehensive Guide to The Merge
07/23/2022 - 21:30
Ethereum on Proof-of-Stake: Comprehensive Guide to The Merge
Vladislav SopovVladislav Sopov
Сardano's Vasil Hardfork in Cards: Comprehensive Guide to Most Crucial Upgrade in 2022
07/04/2022 - 09:53
Сardano's Vasil Hardfork in Cards: Comprehensive Guide to Most Crucial Upgrade in 2022
Vladislav SopovVladislav Sopov
Cardano and Smart Contracts, Everything You Should Know: Comprehensive Guide by U.Today
08/27/2021 - 14:00
Cardano and Smart Contracts, Everything You Should Know: Comprehensive Guide by U.Today
Vladislav SopovVladislav Sopov
Ethereum’s EIP-1559: Comprehensive Guide to London Hardfork
08/05/2021 - 00:30
Ethereum’s EIP-1559: Comprehensive Guide to London Hardfork
Vladislav SopovVladislav Sopov
Top 10 Blockchain Games to Play Right Now [MMORPG, MOBA, TCG]
06/30/2019 - 06:00
Top 10 Blockchain Games to Play Right Now [MMORPG, MOBA, TCG]
Denys SerhiichukDenys Serhiichuk
10 Best Books for Blockchain Developers in 2019
06/29/2019 - 11:00
10 Best Books for Blockchain Developers in 2019
Alex DovbnyaAlex Dovbnya
How to Create Your Own Cryptocurrency and Why Would You Want to Start
06/03/2019 - 13:13
How to Create Your Own Cryptocurrency and Why Would You Want to Start
Thomas HughesThomas Hughes
Blockchain Programming: Solidity. Programming the Smart Contracts
06/03/2019 - 13:12
Blockchain Programming: Solidity. Programming the Smart Contracts
Anton TarasovAnton Tarasov
Bitcoin 51% Attack: How It Works, How Much Bitcoin 51 Attack Costs
06/03/2019 - 13:09
Bitcoin 51% Attack: How It Works, How Much Bitcoin 51 Attack Costs
George ShnurenkoGeorge Shnurenko
What is CryptoNight? CryptoNote vs CryptoNight
06/03/2019 - 13:03
What is CryptoNight? CryptoNote vs CryptoNight
George ShnurenkoGeorge Shnurenko
Why Does Bitcoin Have Any Value?
06/03/2019 - 13:00
Why Does Bitcoin Have Any Value?
Alex DovbnyaAlex Dovbnya
What Are Masternodes? Is It Still Profitable to Run One?
05/31/2019 - 12:40
What Are Masternodes? Is It Still Profitable to Run One?
Alex DovbnyaAlex Dovbnya
What Is a Security Token Offering: Are STOs the New ICOs?
05/31/2019 - 12:35
What Is a Security Token Offering: Are STOs the New ICOs?
Alex DovbnyaAlex Dovbnya
Hyperledger — Open Source Blockchain Technologies
05/31/2019 - 11:04
Hyperledger — Open Source Blockchain Technologies
Denys SerhiichukDenys Serhiichuk
Bakkt — Bitcoin Futures and Bitcoin Adoption Revolution?
05/31/2019 - 10:58
Bakkt — Bitcoin Futures and Bitcoin Adoption Revolution?
Anton TarasovAnton Tarasov
Blockchain’s Future: Major Giants Trying Blockchain in 2019 (Microsoft, IBM...)
05/31/2019 - 10:55
Blockchain’s Future: Major Giants Trying Blockchain in 2019 (Microsoft, IBM...)
Vera YurinaVera Yurina
Scalability on the Blockchain — Is There a Problem?
05/31/2019 - 10:53
Scalability on the Blockchain — Is There a Problem?
Denis SinyavskiyDenis Sinyavskiy
Cryptocurrency Transaction Speed as of 2019
05/31/2019 - 10:41
Cryptocurrency Transaction Speed as of 2019
Vera YurinaVera Yurina
How to Learn Solidity and Start Blockchain Programming
05/31/2019 - 10:40
How to Learn Solidity and Start Blockchain Programming
Anton TarasovAnton Tarasov
SegWit Explained: What Is Bitcoin's Segregated Witness?
05/31/2019 - 10:39
SegWit Explained: What Is Bitcoin's Segregated Witness?
Denis SinyavskiyDenis Sinyavskiy
Blockchain Developer Salaries. Top Job Offers of Blockchain Companies
05/31/2019 - 10:35
Blockchain Developer Salaries. Top Job Offers of Blockchain Companies
Anton TarasovAnton Tarasov
How to Become a Writer in Crypto & Blockchain?
05/31/2019 - 10:32
How to Become a Writer in Crypto & Blockchain?
Vera YurinaVera Yurina
Blockchain as a Service (BaaS). How Do Blockchain Cloud-based Solutions Work?
05/31/2019 - 10:27
Blockchain as a Service (BaaS). How Do Blockchain Cloud-based Solutions Work?
Vera YurinaVera Yurina
Blockchain Programming: How Many Programming Languages Do You Need for Blockchain?
05/31/2019 - 10:25
Blockchain Programming: How Many Programming Languages Do You Need for Blockchain?
Anton TarasovAnton Tarasov
12 Popular FinTech Companies to Watch in 2019
05/31/2019 - 10:18
12 Popular FinTech Companies to Watch in 2019
Vera YurinaVera Yurina
Popular Blockchain Stocks to Watch
05/30/2019 - 13:38
Popular Blockchain Stocks to Watch
Alex DovbnyaAlex Dovbnya
Blockchain Certification: How to Get Certified in Blockchain Technology
05/30/2019 - 13:28
Blockchain Certification: How to Get Certified in Blockchain Technology
Denys SerhiichukDenys Serhiichuk
What is Bitcoin Halving and When Next Bitcoin Halving Occurs
05/30/2019 - 13:22
What is Bitcoin Halving and When Next Bitcoin Halving Occurs
George ShnurenkoGeorge Shnurenko
Blockchain in the Supply Chain: Applications, Benefits, and Prospects Going Forward
05/30/2019 - 12:58
Blockchain in the Supply Chain: Applications, Benefits, and Prospects Going Forward
Vera YurinaVera Yurina
WikiCoin: What is Blockchain Technology and How it Works
05/30/2019 - 12:48
WikiCoin: What is Blockchain Technology and How it Works
Katya MichaelsKatya Michaels
Bitcoin vs Ripple — The Ultimate Comparison
05/30/2019 - 12:43
Bitcoin vs Ripple — The Ultimate Comparison
Vera YurinaVera Yurina
Top 12 Highest-Paying Blockchain Jobs in 2019
05/30/2019 - 10:32
Top 12 Highest-Paying Blockchain Jobs in 2019
Vera YurinaVera Yurina
Is BTC and Cryptocurrency Crash 2018 Similar to the Dotcom Crash?
05/30/2019 - 09:55
Is BTC and Cryptocurrency Crash 2018 Similar to the Dotcom Crash?
Denys SerhiichukDenys Serhiichuk
Crypto and Bitcoin Trends for 2019: What to Expect from the Crypto Market
05/30/2019 - 09:36
Crypto and Bitcoin Trends for 2019: What to Expect from the Crypto Market
Vera YurinaVera Yurina
10 Major Blockchain Trends in 2019
05/29/2019 - 12:17
10 Major Blockchain Trends in 2019
Alex DovbnyaAlex Dovbnya
Is Blockchain Technology Still Interesting for Banks in 2019?
05/29/2019 - 11:54
Is Blockchain Technology Still Interesting for Banks in 2019?
Alex DovbnyaAlex Dovbnya
What Is a Smart Contract? Smart Contracts Explained for Beginners
05/29/2019 - 11:48
What Is a Smart Contract? Smart Contracts Explained for Beginners
Vera YurinaVera Yurina
What Does a Bitcoin Look Like? A Detailed Insight into the Technology and Currency
05/29/2019 - 10:55
What Does a Bitcoin Look Like? A Detailed Insight into the Technology and Currency
Vera YurinaVera Yurina
Unconfirmed Bitcoin Transactions: Why They Happen, and What You Can Do About Them
05/29/2019 - 07:57
Unconfirmed Bitcoin Transactions: Why They Happen, and What You Can Do About Them
Alex DovbnyaAlex Dovbnya
Best 10 Blockchain Books 2019: 10 Books You Should Read First
05/28/2019 - 12:26
Best 10 Blockchain Books 2019: 10 Books You Should Read First
Alex DovbnyaAlex Dovbnya
Top 8 Blockchain Courses Worldwide — Free and Paid
05/28/2019 - 12:17
Top 8 Blockchain Courses Worldwide — Free and Paid
Denys SerhiichukDenys Serhiichuk