Been trying out what might be among the world's first ARK transactions on Bitcoin mainnet. Here I send some sats from the Ark Labs wallet to my Phoenix wallet (using a LN swap).

What is Ark in Bitcoin? Ark is a new protocol on Bitcoin, led by Ark Labs, that aims to scale on-chain transactions in a non-custodial and efficient way. It can be seen as a rollup adapted to Bitcoin’s UTXO model, using only Bitcoin Script — no BitVM or EVM required. How does

Did you know, a single taproot address can have many different spending conditions? Now you can visualize all of the revealed scripts for a taproot address on mempool.space! here's how it works 🧵

Our demo wasn't about teasing a product. It was a step toward reframing what’s possible on Bitcoin, today. With many purported Bitcoin L2s still theoretical or incomplete, we intended to offer something more grounded. Ark is real. It’s moving. And it’s coming to mainnet.

Why can't they simply give me a Lightning QR code. "Credit cards" rarely work online and is very unsecure to use. /rant

There's been tremendous technical progress around Ark, but general understanding still lags behind. While we’ve been quietly building, our own mental model continued to evolve and expand. Today, we're sharing a fresh perspective on how Ark extends Bitcoin's capabilities. 🧵

someone just swept 200 BTC of 12-year-old mining rewards 👀 they hodled these coins from an initial value of only $7140 to over $18.57m today 🤯

If you are building something on bitcoin and use mempool every day I want to hear from you, drop me a dm.

alkanes mints are now starting to cause some congestion, pushing fee rates up to 10-15 sats/vb

Some asked what we've been cooking 🧑‍🍳 We're pleased to report we recently completed a prototype integration of Lightning Labs⚡️🌐's Taproot Assets into the Ark protocol, unlocking tokenized VTXOs (tVTXOs)! New opportunities for efficient and secure token operations on Bitcoin! 👇

Dev/Hack/Day is a dedicated one-day, in-person-only conference happening right before BTC Prague 2025—designed for Bitcoin devs, hackers, tech enthusiasts, and curious minds who want to dive deep into breakthrough ideas and cutting-edge technology. btcprague.com/dev-hack-day/#

The Humble Administrator’s Garden in Suzhou, now a UNESCO World Heritage Site, was built over 16 years starting in 1513 by Wang Xianchen. After his death, his son inherited the garden — and quickly lost it to gambling. A Chinese proverb captures this: 富不过三代 — “Wealth

1/ The superior architecture for Bitcoin payments is leveraging atomic swaps. Pioneered by Muun on-chain, scaled by Breez ⚡ and @boltzhq with Liquid. Users avoid channel management and enjoy Lightning's instant settlement.

The recent pull request to bitcoin core made by peter todd (pull 32359) removes the code to enforce a policy limit on the size and number of OP_RETURN outputs. Additionally, he proposes the removal of the configuration options to allow node runners to modify the maximum size of

Great to finally meet Simon Gerovich from Metaplanet Inc.! Also got to see the mempool office too - it just might have the best view in Tokyo.🗼

you are here arguing about "the spam"

👀

Bitcoin ETFs saw a $1.8 billion inflow last week (April 28 – May 2).