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The best way to build with Bitcoin and stablecoins

Joined October 2024
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Starting today, @Polymarket now supports instant Bitcoin deposits over Lightning, powered by Spark. > Deposit BTC straight to Polymarket, faster and more privately.
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We spend a lot of time thinking about wallet UX. Few teams have done more to push the space forward than Turnkey. Grateful to have them join the network. Welcome, @turnkeyhq
Turnkey now natively supports @spark! The rails for instant, near-zero-cost Bitcoin payments. Build @Bitcoin wallets, payment apps, and launch tokens with the same flexible wallet infrastructure you already use.
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If you care about craft, then download Bread. The team has been obsessing over what the best Bitcoin neobank looks like for years > Use our code (8GBYTH) and you might get a surprise Welcome, @generalbreadco
Bread is rising... instant Apple Pay onboarding is live in the new @generalbreadco app! 🍞 go from fiat to stables in seconds 🍞 earn 3.5% BTC rewards on your balance 🍞 level up to unlock 6%-11% APY the first agentic neobank built on Bitcoin is here, powered by MoonPay
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Today is a good day. > The largest stablecoin company (@Tether) > Just launched a wallet > Lightning + global money with usernames (e.g., $satoshi@tether.me) > Powered by Spark (but you won’t even notice)
Tether Wallet, The People's Wallet Tether has achieved the widest financial inclusion success story in the history of humanity. For more than a decade, Tether has built its company on a simple mission: bringing financial inclusion to the billions of people, primarily living in developing countries, who were left behind by the traditional financial system, those who never had access to basic financial services, and those who live in high-inflation countries. This number is higher than most think, almost half of the population of the world. As of March 2026, Tether’s technology is used by more than 570 million people globally, with adoption continuing to accelerate across emerging and developed markets alike, at the pace of tens of millions of new wallets added per quarter. With tether.wallet, that entire infrastructure, the widest and most granular money distribution network built by humanity, becomes directly accessible to end users for the first time. Features: - 100% self-custodial with simple backup user experience (one click encrypted secret backup/restore with your cloud account or simply export the 12 words); only you are in control of your funds; no middleman or intermediaries. - Assets available: only people need; Bitcoin, Digital Dollars (USDT, USAT) and Gold (XAUT). - Bitcoin: on-chain, lightning network and spark support - USDT/USAT/XAUT: supported blockchain list will expand rapidly within next 30 days; USDT0 is already integrated; soon TW will implement seamless swaps across all chains -> insane user experience - Send transaction user experience perfected for the people; gasless send for USDT/USAT/XAUT, i.e you don't need to own/buy/deposit gas tokens (ETH, TRON, ...) etc to send assets; the Wallet solves all the complexity for you behind the scenes (via paymaster) - One address: generate your [at] tether.me address to receive/send assets to any other tethered wallet -> unparalleled user experience - 100% built on WDK by Tether, our open-source Wallet Development Kit Please share your feedback and thanks for all you support. We're unstoppable together ❤️
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Network > asset
We’re making it easier for millions of businesses to accept bitcoin. Starting today, eligible U.S. @Square sellers will begin having Bitcoin payments automatically enabled. Sellers who accept bitcoin will receive USD as default. This is how bitcoin as everyday money begins.
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We love @mpp + BTC. Grateful to have helped shape how Bitcoin payments could work within it.
A few things I like about MPP (machine payments protocol) Payment-method agnostic (supports stablecoins on Tempo, Stripe, cards, Bitcoin lightning, etc) Open and extensible (without our permission) Streaming payments (via state channels) Minimal and efficient
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Swap BTC instantly to any asset on any chain in under 5 seconds. Powered by Spark. Welcome, @gardenfi
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Cake Wallet, one of the largest Bitcoin wallets, just launched Lightning. Powered by Spark + Breez. Welcome, @cakewallet
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USDB is the most egalitarian thing we've ever seen. It's insanely ambitious, and if it works, can really reshape the fabric of society.
Introducing BTC Rewards for USDB holders. Hold 10+ USDB on @spark earn up to 6% back in Bitcoin. No lock-ups, no staking, no bullsh*t.
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Neobanks are how crypto goes mainstream. Mix Bitcoin, stablecoins, and payments and you get something magical. 300k+ users just got Spark access through one of the most proven teams in crypto. Welcome, @DeblockApp
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By Q2, Spark will: 1. Be the cheapest way to get BTC 2. Let you swap from any chain → BTC in 1 tap 3. Power stablecoins on Bitcoin (earn, spend, swap) 4. Fuel top wallets, neobanks, DEXs & prediction markets 5. Have fun, usable Bitcoin tokens
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The world’s largest Bitcoin rewards platform now runs on Spark. Welcome, @trylolli
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Our lead designer built a wallet in a weekend that just paid a Square terminal in stablecoin over Bitcoin. Spark enables flows no other network can, that’s why fintechs are already building on it.
The very first stablecoin payment on a @Square terminal! Works with any @spark wallet. Bitcoin is TCP/IP for money. Name one other network that allows using stablecoins to pay in person at up to 4 million merchants. Demo time:
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Fourth time's the charm. @flashnet is now live on Spark, and it just works.
We built the arena
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The cheat code with @Square isn’t paying with Bitcoin, it’s paying on Bitcoin. Over 4 million merchants can now get paid instantly from anywhere onchain, with everything settled on the motherchain.
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Spark hit record traffic at 100M+ requests an hour. Our devs are hard at working remedying issues and scaling up.
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Since you all seem to have strong opinions, we made something new for you to argue about. Our new docs are live. Build something and then roast us. Useful feedback will soon be rewarded. DMs open.
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There's a trillion dollars sitting inside your computer, you just have to build on bitcoin to get it out.
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We might be building the next Visa.
Another talk, this time by @spiralbtc's Team Lead, Steve Lee @moneyball. He covers @spark by @lightspark, which aims to to unlock Bitcoin’s fullest potential. The talk is focused on payments and Steve goes through the trust assumptions & how the unilateral exists work too.
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In the spirit of full transparency, we’re sharing our roadmap publicly. Hold us accountable.
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