Why do I see an $8 hold on my bank account charged to BLS after enrolling with Aura?

United States:

• Northeast:
  • Mid-Atlantic:
    • New Jersey (US)
    • New York (US)
    • Philadelphia (US)
    • Washington DC (US)
  • New England:
    • Boston (US)

• Midwest:
  • East North Central:
    • Chicago (US)
    • Columbus (US)
    • Indianapolis (US)
  • West North Central:
    • Kansas City (US)
    • St. Louis (US)‍
• South:
  • South Atlantic:
    • Atlanta (US)
    • Charlotte (US)
    • Miami (US)
    • Orlando (US)
  • East South Central:
    • None listed in this category
  • West South Central:
    • Dallas (US)
    • Houston (US)
      

• West:
  • Mountain:
    • Denver (US)
    • Las Vegas (US)
    • Phoenix (US)
  • Pacific:
    • Los Angeles (US)
    • Portland (US)
    • San Francisco (US)
    • San Jose (US)
    • Seattle (US)

North America:

• Bahamas
• Belize
• Canada (Montreal, Toronto, Vancouver)
• Mexico
• Panama
• United States (as listed separately above)

South America:

• Argentina
• Brazil
• Chile
• Colombia
• Costa Rica
• Ecuador
• Peru
• Uruguay
• Venezuela

Australia:

Adelaide (AU)

• Brisbane (AU)
• Melbourne (AU)
• Perth (AU)
• Sydney (AU)

Europe:

• Armenia
• Austria
• Azerbaijan
• Belarus
• Belgium
• Bosnia and Herzegovina
• Bulgaria
• Croatia
• Czech Republic
• Denmark
• Estonia
• Finland
• France
• Georgia
• Germany
• Greece
• Hungary
• Iceland
• Ireland
• Isle of Man
• Italy (Milan, Rome)
• Kazakhstan
• Kyrgyzstan
• Latvia
• Liechtenstein
• Lithuania
• Luxembourg
• Malta
• Moldova
• Monaco
• Montenegro
• Netherlands
• Norway
• Poland
• Portugal
• Romania
• Russia
• Slovakia
• Spain
• Sweden
• Switzerland
• Turkey
• Ukraine
• United Kingdom

Asia:

• Bangladesh
• Bhutan
• Brunei Darussalam
• Cambodia
• China
• Hong Kong
• India
• Indonesia
• Israel
• Japan
• Kazakhstan
• Kyrgyzstan
• Laos
• Malaysia
• Nepal
• Pakistan
• Philippines
• Singapore
• South Korea
• Taiwan
• Thailand
• Vietnam

Africa:

• Algeria
• Egypt
• South Africa

Middle East:

• United Arab Emirates