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What is blockchain?
Blockchain is a form of distributed ledger technology, a digital system in which data is recorded across multiple places at the same time. Unlike traditional databases, DLTs have no central administrator or centralised data storage. They are transparent because the data is visible and, because they are automatically replicated and impossible to be tampered with, they are secure.
The main difference between blockchain and other forms of DLT is the way data is stored as ‘blocks’ – new transactions are added to the existing ‘chain’ of past transactions, hence the name ‘blockchain’. It is impossible to delete or modify information on the chain due to the replication of blocks across various locations.
Blockchain is mostly associated with cryptocurrency Bitcoin. Due to the inability to tamper with transactions, advocates say this makes the currency more secure and safer than traditional systems. It is maintained by a network of people referred to as ‘miners’, who receive rewards for solving complex mathematical equations that enable transactions to go through.
However, one of the major problems that has come to light has been the presence of illicit material buried in the Bitcoin blockchain, linking it to the dark web.
Other blockchain platforms can offer things like smart contracts, which are automatically implemented when specific conditions from all interested parties are reached, cutting the time involved and the risk of mistakes. Another use could be storing medical records, as patients can be confident their information cannot be changed. The technology can also be used in supply chains, voting and has the potential to used for storing property records.
Match info:
Burnley 0
Manchester United 2
Lukaku (22', 44')
Red card: Marcus Rashford (Man United)
Man of the match: Romelu Lukaku (Manchester United)
COMPANY PROFILE
Company name: Almouneer
Started: 2017
Founders: Dr Noha Khater and Rania Kadry
Based: Egypt
Number of staff: 120
Investment: Bootstrapped, with support from Insead and Egyptian government, seed round of
$3.6 million led by Global Ventures
The specs: Lamborghini Aventador SVJ
Price, base: Dh1,731,672
Engine: 6.5-litre V12
Gearbox: Seven-speed automatic
Power: 770hp @ 8,500rpm
Torque: 720Nm @ 6,750rpm
Fuel economy: 19.6L / 100km
Company Profile
Company name: Hoopla
Date started: March 2023
Founder: Jacqueline Perrottet
Based: Dubai
Number of staff: 10
Investment stage: Pre-seed
Investment required: $500,000
Mubadala World Tennis Championship 2018 schedule
Thursday December 27
Men's quarter-finals
Kevin Anderson v Hyeon Chung 4pm
Dominic Thiem v Karen Khachanov 6pm
Women's exhibition
Serena Williams v Venus Williams 8pm
Friday December 28
5th place play-off 3pm
Men's semi-finals
Rafael Nadal v Anderson/Chung 5pm
Novak Djokovic v Thiem/Khachanov 7pm
Saturday December 29
3rd place play-off 5pm
Men's final 7pm
A QUIET PLACE
Starring: Lupita Nyong'o, Joseph Quinn, Djimon Hounsou
Director: Michael Sarnoski
Rating: 4/5
UAE'S YOUNG GUNS
1 Esha Oza, age 26, 79 matches
2 Theertha Satish, age 20, 66 matches
3 Khushi Sharma, age 21, 65 matches
4 Kavisha Kumari, age 21, 79 matches
5 Heena Hotchandani, age 23, 16 matches
6 Rinitha Rajith, age 18, 34 matches
7 Samaira Dharnidharka, age 17, 53 matches
8 Vaishnave Mahesh, age 17, 68 matches
9 Lavanya Keny, age 17, 33 matches
10 Siya Gokhale, age 18, 33 matches
11 Indhuja Nandakumar, age 18, 46 matches
Uefa Nations League: How it works
The Uefa Nations League, introduced last year, has reached its final stage, to be played over five days in northern Portugal. The format of its closing tournament is compact, spread over two semi-finals, with the first, Portugal versus Switzerland in Porto on Wednesday evening, and the second, England against the Netherlands, in Guimaraes, on Thursday.
The winners of each semi will then meet at Porto’s Dragao stadium on Sunday, with the losing semi-finalists contesting a third-place play-off in Guimaraes earlier that day.
Qualifying for the final stage was via League A of the inaugural Nations League, in which the top 12 European countries according to Uefa's co-efficient seeding system were divided into four groups, the teams playing each other twice between September and November. Portugal, who finished above Italy and Poland, successfully bid to host the finals.
ASHES SCHEDULE
First Test
November 23-27 (The Gabba, Brisbane)
Second Test
December 2-6 (Adelaide Oval, Adelaide)
Third Test
December 14-18 (Waca Ground, Perth)
Fourth Test
December 26-30 (Melbourne Cricket Ground, Melbourne)
Fifth Test
January 4-8, 2018 (Sydney Cricket Ground, Sydney)
Boulder shooting victims
• Denny Strong, 20
• Neven Stanisic, 23
• Rikki Olds, 25
• Tralona Bartkowiak, 49
• Suzanne Fountain, 59
• Teri Leiker, 51
• Eric Talley, 51
• Kevin Mahoney, 61
• Lynn Murray, 62
• Jody Waters, 65
Tips for holiday homeowners
There are several factors for landlords to consider when preparing to establish a holiday home:
- Revenue potential of the unit: location, view and size
- Design: furnished or unfurnished. Is the design up to standard, while being catchy at the same time?
- Business model: will it be managed by a professional operator or directly by the owner, how often does the owner wants to use it for personal reasons?
- Quality of the operator: guest reviews, customer experience management, application of technology, average utilisation, scope of services rendered
Source: Adam Nowak, managing director of Ultimate Stay Vacation Homes Rental
LIVING IN...
This article is part of a guide on where to live in the UAE. Our reporters will profile some of the country’s most desirable districts, provide an estimate of rental prices and introduce you to some of the residents who call each area home.
The 12 breakaway clubs
England
Arsenal, Chelsea, Liverpool, Manchester City, Manchester United, Tottenham Hotspur
Italy
AC Milan, Inter Milan, Juventus
Spain
Atletico Madrid, Barcelona, Real Madrid
Avatar (2009)
Director: James Cameron
Stars: Sam Worthington, Zoe Saldana, Sigourney Weaver
Rating: 3/5