what is the role of a bitcoin miner?

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  Bitcoin Miner

  Bitmain Unveils New Antminer T21 Bitcoin Miner 190TH/s 3610W with SHA-256 algorithm Powerful Crypto Hardware

  Rated 0 out of 5

  $2,700.00 Original price was: $2,700.00.$2,650.00Current price is: $2,650.00.
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  Bitcoin Miner

  Canaan Avalon Asic Miner 1446 135T 3310W Blockchain Hardware for Bitcoin Mining BTC Rig on Sale

  Rated 0 out of 5

  $1,668.00 – $1,945.00

  Choose an optionAvalon 1446 130TAvalon 1446 133TAvalon 1446 136T Avalon 1446 130T Avalon 1446 133T Avalon 1446 136T Clear

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  Bitcoin Miner

  DesiweMiner K10Pro High Computing Server 170 TH/s 3825W SHA-256 algorithm Bitcoin BTC BCH BSV Cryprocurrency Asic Miner

  Rated 0 out of 5

  $4,800.00 Original price was: $4,800.00.$4,400.00Current price is: $4,400.00.
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  Bitcoin Miner

  Good Quality Used Whatsminer M20S 68T Bitcoin Asic Miner for BTC Mining Machine with PSU

  Rated 0 out of 5

  $640.00 Original price was: $640.00.$600.00Current price is: $600.00.
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  Bitcoin Miner

  High Quality Used Antminer S19i 88.5T 3250W Bitcoin Miner Crypto Mining Hardware Computer Server

  Rated 0 out of 5

  $600.00

  Choose an optionAntminer S19i (with bitmain warranty) Antminer S19i (with bitmain warranty) Clear

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  Bitcoin Miner

  Hydro Cooling Whatsminer M33S++ 216T 6696W Bitcoin Mineral Separator Asic Miner with Power Supply Server

  Rated 0 out of 5

  $3,250.00 Original price was: $3,250.00.$3,200.00Current price is: $3,200.00.
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  Bitcoin Miner

  Hydro Cooling WhatsMiner M53 228~236T 244~262T High Profit Mining for Bitcoin Hashrate BTC Asic Server Profitability

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  $3,012.00 – $4,600.00

  Choose an optionM53 228~236TM53 244~262T M53 228~236T M53 244~262T Clear

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  Bitcoin Miner

  Hydro Cooling WhatsMiner M53S 248~286T 6448~7436W High Profit Mining for Bitcoin Asic Server Profitability

  Rated 0 out of 5

  $4,924.00 – $40,100.00

  Choose an optionM53S-266TM53S-272TM53S-276T M53S-266T M53S-272T M53S-276T Clear

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  Bitcoin Miner

  Hydro Cooling WhatsMiner M53S+ 304T 306T 308T 310T 6960~7632W Bitcoin Mining Hardware for Bitcoin Cryptocurrency Stock Buy

  Rated 0 out of 5

  $4,313.00 – $4,464.00

  Choose an optionM53S+ 286TM53S+290TM53S+ 296T M53S+ 286T M53S+290T M53S+ 296T Clear

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  Bitcoin Miner

  Microbit Whatsminer M50S+ 130~142T 3120~3408W Algorithm SHA-256 Crptocurrency BTC Bitcoin Asic Mining Machine Stock MOQ 10PCS

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  $2,695.00 – $2,888.00

  Choose an optionUsedNew Used New Clear

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  Bitcoin Miner

  MicroBT Whatsminer M56 178T 180T 188T 190T 29W/T Oil Immersion Cooling Mining SHA-256 Algorithm BTC Miner Machine

  Rated 0 out of 5

  $2,314.00 – $2,470.00

  Choose an optionM56 29W 178TM56 29W 180TM56 29W 188TM56 29W 190T M56 29W 178T M56 29W 180T M56 29W 188T M56 29W 190T Clear

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  Bitcoin Miner

  MicroBT Whatsminer M56S 196-212Th/s 26W/T SHA-256 algorithm Liquid Cooling Miner BTC BCH Bitcoin Miner

  Rated 0 out of 5

  $3,628.00 – $3,925.00

  Choose an optionM56S 26W 196TM56S 26W 208TM56S 26W 210TM56S 26W 212T M56S 26W 196T M56S 26W 208T M56S 26W 210T M56S 26W 212T Clear