GoMining challenges Jack Dorsey's Square with a pure BTC payment rail

GoMining unveiled a SDK and API for its BTC payment protocol GoBTC Pay, allowing merchants to accept bitcoin for everyday purchases.

GoMining challenges Jack Dorsey's Square with a pure BTC payment rail

Finance

GoMining challenges Jack Dorsey's Square with payments system designed around bitcoin

GoMining unveiled a software development kit and programmable access for its bitcoin payment protocol GoBTC Pay, allowing merchants to accept BTC for everyday purchases.

By

Jamie Crawley

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Edited by

Sheldon Reback

Jun 19, 2026, 12:30 p.m.

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Mark Zalan, GoMining CEO (CoinDesk)

Summary

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GoMining unveiled a software development kit (SDK) and application programming interfaces (API) for its bitcoin payment protocol, GoBTC Pay.

Merchants will be able to build products and services that use the system, allowing them to accept bitcoin for everyday purchases.

GoMining's service differs from rivals because the merchant receives bitcoin, not fiat, by default.

Bitcoin

BTC

$

59,117.00

mining company GoMining said it is making it easier for companies to accept bitcoin

BTC

$

59,117.00

payments, bringing it into competition with companies including Block's (XYZ) Square.

Where GoMining says it differs from incumbents is that the entire transaction is completed in bitcoin. Many competitors, including Square, allow customers to pay in bitcoin while delivering fiat currency to the retailer. GoMining retailers who want fiat will need to handle the conversion themselves.

"Our idea isn't to squeeze bitcoin into the old fiat experience and lose what makes it bitcoin along the way," CEO Mark Zalan said in an interview over Telegram. "It's to solve the real problems with BTC payments the high and variable fees, the slow and unpredictable settlement, while preserving non-custody and onchain finality."

GoMining's software development kit (SDK) and application programming interfaces (API) for its BTC payment protocol GoBTC Pay, unveiled Friday, enable retailers to access its GoBTC Pay system. The company plans to recruit an initial 10 merchants as part of the rollout, it said.

GoBTC Pay was built to enable bitcoin payments settled directly on the Bitcoin network, using GoMining's Stratum V2 mining protocol, with an average settlement time of around 12 hours. Merchants will pay 0.2% in transaction fees, shared 50-50 between wallet providers and miners.

Block, the fintech company co-founded by Jack Dorsey, has been rolling out a bitcoin payments service of its own over the past year. The system

allows businesses to accept BTC

using the Bitcoin layer-2 network Lightning. Square's service converts the bitcoin amount into U.S. dollars by default, meaning the receiving merchant receives payment in BTC only if it chooses to.

GoMining appears to be betting that more businesses will want to receive and retain bitcoin directly.

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