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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!

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
How to Hack Bitcoin: All Possible Ways
05/28/2019 - 09:53
How to Hack Bitcoin: All Possible Ways
George ShnurenkoGeorge Shnurenko
BTC vs. XBT: What’s the Difference Between Bitcoin Symbols?
11/13/2018 - 15:39
BTC vs. XBT: What’s the Difference Between Bitcoin Symbols?
Alex DovbnyaAlex Dovbnya
How Many People Own Bitcoin and How They Use BTC?
08/01/2018 - 14:52
How Many People Own Bitcoin and How They Use BTC?
George ShnurenkoGeorge Shnurenko
How to Accept Bitcoin as Payment on Your Website
07/30/2018 - 14:26
How to Accept Bitcoin as Payment on Your Website
George ShnurenkoGeorge Shnurenko