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Super Testnet · 3w
A project in 2018 called Webcoin built a bitcoin browser wallet in SPV mode Details here: https://github.com/mappum/webcoin To talk to bitcoin nodes, it relied on a TCP->Websocket proxy called Webco...
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Super Testnet @Super Testnet
It's annoyingly hard to use bitcoin's p2p layer from browsers. BTC nodes don't understand the handshakes browsers do when they make GET/POST requests, unless you use RPC, which is permissioned. It's cool that Webcoin found a way, but it only works if folks run the bridge software
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Super Testnet · 3w
A few services make data from bitcoin's p2p layer *available* to browsers, e.g. block explorers, some electrum servers (including esplora servers), and block-dn. But it'd be great if browsers could talk to *any* node instead of placing the load directly on those limited services.