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Notes from the GPU market.

Price reports, sizing and self-hosting guides, hardware comparisons and private crypto payments. Every number is sourced and dated.

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Crypto payments10 min read

USDT on Tron (TRC-20) or Ethereum (ERC-20): which network to pay with

USDT TRC-20 vs ERC-20 is not a choice between two coins: it is the same Tether dollar on two blockchains, Tron and Ethereum. The network decides the address format, the coin that pays the fee, how fast the payment becomes final and what happens if you pick the wrong one. Here is how the two compare, with fees checked on 19 October 2026, and how to pay an invoice in USDT without losing the payment.

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From reading to running.

Every GPU in these articles is available by the month, about 30% under the market median.

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