There is evidence that Tether, a digital currency pegged to the US dollar, may have been used to manipulate the price of Bitcoin and other cryptocurrencies, according to a research paper released by the University of Texas on Wednesday.
"Tether seems to be used both to stabilise and manipulate Bitcoin prices," said the paper's co-authors, professor John Griffin and doctoral student Amin Shams.
Critics of tether have raised concerns over the past year about whether Tether Limited actually holds US$1 (Dh3.67) in reserve for each tether issued, as it claims. More than $2.2 billion of Tether was issued between March 2017 and January 2018, according to the paper.
Regulators worldwide are increasing their scrutiny of cryptocurrency markets. The Commodity Futures Trading Commission and the US Department of Justice have been investigating whether Bitcoin and other cryptocurrency prices are being manipulated, Bloomberg reported last month.
In December, the CFTC sent subpoenas to Tether and Bitfinex, a popular cryptocurrency exchange that is affiliated with, and shares executives with, Tether. The reason for the subpoena was unclear.
Bitfinex denied that Tether issuances could be used to manipulate Bitcoin.
"[Neither] Bitfinex nor Tether is, or has ever, engaged in any sort of market or price manipulation," Bitfinex and Tether chief executive J L van der Velde said.
Bitcoin soared last year, peaking at nearly $20,000 in December, before the price collapsed. It was at $6,624.45 on Wednesday afternoon.
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Read more:
Bitcoin slumps again after crypto hack theft
Gamblers attracted to the volatility of Bitcoin
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The researchers found that Tether issuances rose last year during periods when the price of Bitcoin was dropping. When Bitcoin was rising, the same pattern could not be found.
Once issued, nearly all Tether was moved to Bitfinex and then shifted to other exchanges, where it was used to buy Bitcoin, propping up the price, the paper said.
The researchers used algorithms to analyse data from blockchains, the decentralised ledgers that underpin Bitcoin and other virtual currencies, between the beginning of March 2017 to the end of March 2018.
The periods with the largest flow of Tether accounted for 87 hours, or less than 1 per cent, of the data, but were associated with 50 per cent of Bitcoin's compounded return, and 64 per cent of the returns on six other large cryptocurrencies.
The researchers then did 10,000 simulations looking in each case at 87 random hours from the data and were unable to find similar results.
"Overall, our findings provide substantial support for the view that price manipulation may be behind substantial distortive effects in cryptocurrencies," they said.
The years Ramadan fell in May
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NO OTHER LAND
Director: Basel Adra, Yuval Abraham, Rachel Szor, Hamdan Ballal
Stars: Basel Adra, Yuval Abraham
Rating: 3.5/5
Volunteers offer workers a lifeline
Community volunteers have swung into action delivering food packages and toiletries to the men.
When provisions are distributed, the men line up in long queues for packets of rice, flour, sugar, salt, pulses, milk, biscuits, shaving kits, soap and telecom cards.
Volunteers from St Mary’s Catholic Church said some workers came to the church to pray for their families and ask for assistance.
Boxes packed with essential food items were distributed to workers in the Dubai Investments Park and Ras Al Khaimah camps last week. Workers at the Sonapur camp asked for Dh1,600 towards their gas bill.
“Especially in this year of tolerance we consider ourselves privileged to be able to lend a helping hand to our needy brothers in the Actco camp," Father Lennie Connully, parish priest of St Mary’s.
Workers spoke of their helplessness, seeing children’s marriages cancelled because of lack of money going home. Others told of their misery of being unable to return home when a parent died.
“More than daily food, they are worried about not sending money home for their family,” said Kusum Dutta, a volunteer who works with the Indian consulate.
The Lowdown
Us
Director: Jordan Peele
Starring: Lupita Nyong'o, Winston Duke, Shahadi Wright Joseqph, Evan Alex and Elisabeth Moss
Rating: 4/5
The Brutalist
Director: Brady Corbet
Stars: Adrien Brody, Felicity Jones, Guy Pearce, Joe Alwyn
Rating: 3.5/5
TRAP
Starring: Josh Hartnett, Saleka Shyamalan, Ariel Donaghue
Director: M Night Shyamalan
Rating: 3/5
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The biog
Name: Ayisha Abdulrahman Gareb
Age: 57
From: Kalba
Occupation: Mukrema, though she washes bodies without charge
Favourite things to do: Visiting patients at the hospital and give them the support they need.
Role model: Sheikha Fatima bint Mubarak, Chairwoman of the General Women's Union, Supreme Chairwoman of the Family Development Foundation and President of the Supreme Council for Motherhood and Childhood.
Milestones on the road to union
1970
October 26: Bahrain withdraws from a proposal to create a federation of nine with the seven Trucial States and Qatar.
December: Ahmed Al Suwaidi visits New York to discuss potential UN membership.
1971
March 1: Alex Douglas Hume, Conservative foreign secretary confirms that Britain will leave the Gulf and “strongly supports” the creation of a Union of Arab Emirates.
July 12: Historic meeting at which Sheikh Zayed and Sheikh Rashid make a binding agreement to create what will become the UAE.
July 18: It is announced that the UAE will be formed from six emirates, with a proposed constitution signed. RAK is not yet part of the agreement.
August 6: The fifth anniversary of Sheikh Zayed becoming Ruler of Abu Dhabi, with official celebrations deferred until later in the year.
August 15: Bahrain becomes independent.
September 3: Qatar becomes independent.
November 23-25: Meeting with Sheikh Zayed and Sheikh Rashid and senior British officials to fix December 2 as date of creation of the UAE.
November 29: At 5.30pm Iranian forces seize the Greater and Lesser Tunbs by force.
November 30: Despite a power sharing agreement, Tehran takes full control of Abu Musa.
November 31: UK officials visit all six participating Emirates to formally end the Trucial States treaties
December 2: 11am, Dubai. New Supreme Council formally elects Sheikh Zayed as President. Treaty of Friendship signed with the UK. 11.30am. Flag raising ceremony at Union House and Al Manhal Palace in Abu Dhabi witnessed by Sheikh Khalifa, then Crown Prince of Abu Dhabi.
December 6: Arab League formally admits the UAE. The first British Ambassador presents his credentials to Sheikh Zayed.
December 9: UAE joins the United Nations.
The rules on fostering in the UAE
A foster couple or family must:
- be Muslim, Emirati and be residing in the UAE
- not be younger than 25 years old
- not have been convicted of offences or crimes involving moral turpitude
- be free of infectious diseases or psychological and mental disorders
- have the ability to support its members and the foster child financially
- undertake to treat and raise the child in a proper manner and take care of his or her health and well-being
- A single, divorced or widowed Muslim Emirati female, residing in the UAE may apply to foster a child if she is at least 30 years old and able to support the child financially
Tree of Hell
Starring: Raed Zeno, Hadi Awada, Dr Mohammad Abdalla
Director: Raed Zeno
Rating: 4/5
Film: Raid
Dir: Rajkumar Gupta
Starring: Ajay Devgn, Ileana D'cruz and Saurabh Shukla
Verdict: Three stars
Tuesday's fixtures
Kyrgyzstan v Qatar, 5.45pm
Thanksgiving meals to try
World Cut Steakhouse, Habtoor Palace Hotel, Dubai. On Thursday evening, head chef Diego Solis will be serving a high-end sounding four-course meal that features chestnut veloute with smoked duck breast, turkey roulade accompanied by winter vegetables and foie gras and pecan pie, cranberry compote and popcorn ice cream.
Jones the Grocer, various locations across the UAE. Jones’s take-home holiday menu delivers on the favourites: whole roast turkeys, an array of accompaniments (duck fat roast potatoes, sausages wrapped in beef bacon, honey-glazed parsnips and carrots) and more, as well as festive food platters, canapes and both apple and pumpkin pies.
Ruth’s Chris Steakhouse, The Address Hotel, Dubai. This New Orleans-style restaurant is keen to take the stress out of entertaining, so until December 25 you can order a full seasonal meal from its Takeaway Turkey Feast menu, which features turkey, homemade gravy and a selection of sides – think green beans with almond flakes, roasted Brussels sprouts, sweet potato casserole and bread stuffing – to pick up and eat at home.
The Mattar Farm Kitchen, Dubai. From now until Christmas, Hattem Mattar and his team will be producing game- changing smoked turkeys that you can enjoy at home over the festive period.
Nolu’s, The Galleria Mall, Maryah Island Abu Dhabi. With much of the menu focused on a California inspired “farm to table” approach (with Afghani influence), it only seems right that Nolu’s will be serving their take on the Thanksgiving spread, with a brunch at the Downtown location from 12pm to 4pm on Friday.
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In numbers: PKK’s money network in Europe
Germany: PKK collectors typically bring in $18 million in cash a year – amount has trebled since 2010
Revolutionary tax: Investigators say about $2 million a year raised from ‘tax collection’ around Marseille
Extortion: Gunman convicted in 2023 of demanding $10,000 from Kurdish businessman in Stockholm
Drug trade: PKK income claimed by Turkish anti-drugs force in 2024 to be as high as $500 million a year
Denmark: PKK one of two terrorist groups along with Iranian separatists ASMLA to raise “two-digit million amounts”
Contributions: Hundreds of euros expected from typical Kurdish families and thousands from business owners
TV channel: Kurdish Roj TV accounts frozen and went bankrupt after Denmark fined it more than $1 million over PKK links in 2013
The specs: 2018 Nissan Altima
Price, base / as tested: Dh78,000 / Dh97,650
Engine: 2.5-litre in-line four-cylinder
Power: 182hp @ 6,000rpm
Torque: 244Nm @ 4,000rpm
Transmission: Continuously variable tranmission
Fuel consumption, combined: 7.6L / 100km
More from Neighbourhood Watch:
More coverage from the Future Forum
The specs
Engine: 2.9-litre, V6 twin-turbo
Transmission: seven-speed PDK dual clutch automatic
Power: 375bhp
Torque: 520Nm
Price: Dh332,800
On sale: now
The team
Videographer: Jear Velasquez
Photography: Romeo Perez
Fashion director: Sarah Maisey
Make-up: Gulum Erzincan at Art Factory
Models: Meti and Clinton at MMG
Video assistant: Zanong Maget
Social media: Fatima Al Mahmoud
The Vines - In Miracle Land
Two stars
Results
2.15pm: Maiden (PA) Dh40,000 1,200m
Winner: Maqam, Fabrice Veron (jockey), Eric Lemartinel (trainer).
2.45pm: Maiden (PA) Dh40,000 1,200m
Winner: Mamia Al Reef, Szczepan Mazur, Ibrahim Al Hadhrami.
3.15pm: Handicap (PA) Dh40,000 2,000m
Winner: Jaahiz, Fabrice Veron, Eric Lemartinel.
3.45pm: Handicap (PA) Dh40,000 1,000m
Winner: Qanoon, Szczepan Mazur, Irfan Ellahi.
4.15pm: Sheikh Hamdan bin Rashid Cup Handicap (TB) Dh200,000 1,700m.
Winner: Philosopher, Tadhg O’Shea, Salem bin Ghadayer.
54.45pm: Handicap (PA) Dh40,000 1,700m
Winner: Jap Al Yassoob, Fernando Jara, Irfan Ellahi.
Specs
Engine: Dual-motor all-wheel-drive electric
Range: Up to 610km
Power: 905hp
Torque: 985Nm
Price: From Dh439,000
Available: Now
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Women & Power: A Manifesto
Mary Beard
Profile Books and London Review of Books
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