Sponsor of the Day:
Jerkmate
https://www.opensourceforu.com/2026/04/mara-launches-foundation-to-fund-bitcoin-open-source-development/
MARA Launches Foundation To Fund Bitcoin Open Source Development - Open Source For You
Apr 28, 2026 - MARA has launched a foundation to back Bitcoin open-source development, research and education, debuting with a $100,000 community-selected grant and
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https://bitcoin.org/en/
Bitcoin - Open source P2P money
Bitcoin is an innovative payment network and a new kind of money. Find all you need to know and get started with Bitcoin on bitcoin.org.
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https://en.bitcoinsistemi.com/crypto-fundamental-analysis/bitcoin-open-interest-oi/
Bitcoin Open Interest (OI) Live Chart & Volatility Analysis
Track live Bitcoin Open Interest (OI) data. Monitor leveraged futures market liquidity and predict explosive price volatility and liquidation cascades.
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https://thebtcopen.com/
The Bitcoin Open
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https://bitco.in/
Bitcoin - Open source P2P money
Bitcoin is a peer-to-peer electronic payment system. It is the leading online currency and can be used to pay for goods and services, just like paper money.
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https://bitcoin.org/de/
Bitcoin - Open Source-P2P-Geld
Bitcoin ist ein innovatives Zahlungsnetzwerk und eine neue Form von Geld. Alles was sie wissen müssen, um mit Bitcoin loszulegen, finden Sie auf bitcoin.org.
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https://nostr.ae/nevent1qqs2qs76g6hh7acp8dmayp0me6mmxhtu7j7nv3vm843tuul87agy35szypu8xwr40lp96ewdj2fef408wy70gd3carf9n6xu7hrnhq6whpglypw5drg
"Every profitable bitcoin business should support the open source contributors that ...
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https://nostr.eu/nevent1qqsqdfj8tpf38y7y7hrwnw7xhm3xyawgmwhhzvrpfdpwv2w8smpvtmqzypu8xwr40lp96ewdj2fef408wy70gd3carf9n6xu7hrnhq6whpgly877kqn
Eat well. ✅ Support open source. ✅ Every bitcoin meal Steak 'n Shake sells ...
Eat well. ✅ Support open source. ✅ Every bitcoin meal Steak 'n Shake sells supports the open source contributors who make this movement possible. Let us...
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https://bitcoin.org/it/
Bitcoin - Moneta P2P open source
Bitcoin è una rete di pagamenti innovativa e un nuovo tipo di moneta. Trova tutto ciò di cui hai bisogno ed entra nel mondo del Bitcoin su bitcoin.org.
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https://en.bitcoin.it/wiki/Open_Transactions
Open Transactions - Bitcoin Wiki
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https://massageplanet.net/threads/spas-open-in-bitcoin-city.234142/
Spas open in Bitcoin City | Biggest Massage Oriented Forums on the Planet - Massage.net |...
First post, waiting for list of spa's to be open in Bitcoin City
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https://bitcoinmagazine.com/news/labor-department-bitcoin-and-alt-assets
Labor Department Proposal Could Open 401(k)s To Bitcoin And Alternative Assets
Mar 30, 2026 - The U.S. Department of Labor has unveiled a sweeping proposed rule that could expand 401(k) retirement plan investment options, potentially opening the door...
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https://stackwallet.com/donate.html
Stack Wallet | Open-source cryptocurrency wallet for Monero, Bitcoin, Bitcoin Cash, Firo, Epic...
Stack Wallet is an open-source multicoin wallet for Monero, Bitcoin, Bitcoin Cash, Firo, Epic Cash, Namecoin, Wownero, Litecoin, and Dogecoin.
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https://b4os.dev/
B4OS 2025 - Programa Gratuito de Formación Bitcoin para Desarrolladores Senior | Bitcoin 4 Open...
Programa gratuito de formación técnica para desarrolladores senior interesados en el ecosistema open source de Bitcoin en América Latina, el Caribe y España....
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