Self-custody AI wallet & x402 reference implementation. On-device AI • Agentic payments • 13+ chains • Your keys, your agent.

Miami, USA
❇️ An AI wallet that never phones home. BlockVault runs the agent on your device, right next to keys that never leave it. No accounts, no custodians, no server holding your seed. Autonomy without handing over control. Download BlockVault and run your first on-device agent → blockvault.ai #BlockVault #SelfCustody #AIWallet #OnDeviceAI #Web3
1
1
1
388
BTC volume is roaring. $14.5B in 24h. The bull drives the Lambo. 🐂🏎️ Who actually holds YOUR keys? BlockVault: on-device AI. No servers. No custodians. BTC, ETH, SOL +15 chains your control only. Not your keys, not your coins. Download it. app.blockvault.ai Drive.
4,134
The Skills Marketplace is live on BlockVault. Buy and sell AI skills as NFTs on Base. Install one tap. Instantly upgrade your on-device agent. Get 5 BLVC: app.blockvault.ai/?ref_code=…
1
3
192
Thank you, @mmerge_io , for organizing this startup contest; it will certainly be a wonderful event.
We're thrilled to reveal the 12 startups selected for the MERGE Madrid Startup Contest! This lineup covers the sharpest edges of Web3 and TradFi convergence. Meet them all: @veridexalethia · @OrionFinanceAI · ChainATM · Shellment · @alpha_aml · @FolksMobile · @blockvaultapp · @datablocks_app · @ChainComply · @themuxic · IdenQ · @investaxes Want to experience a full day of Web3 and crypto entrepreneurship? Attend the pitches, talks and networking for free. Register here: luma.com/socgruap
1
3
179
❇️ Cosmos, dYdX and app-chains are where a lot of the interesting execution lives — and where most wallets stop. BlockVault treats them as first-class, not an afterthought integration. → blockvault.ai #Cosmos #dYdX #MultiChain #DeFi #BlockVault
1
2
223
App-chain activity keeps growing while wallet support lags behind. Users end up with one wallet per ecosystem and four seed phrases to lose. ethereum:native #ETH
1
1
31
Fragmentation is a wallet problem, not a user problem. One seed across 13 chains is a design decision, and it took real work. #Cosmos #AppChains #Interoperability #DeFi #Web3
19
On-device inference means your balances, addresses and intent never leave your phone. See what on-device AI actually feels like → blockvault.ai #OnDeviceAI #Privacy #AIWallet #BlockVault #Web3
1
161
Every major agent-wallet launch this year routes inference through a cloud API. It works, it scales, and it means someone else sees your intent before the chain does. bitcoin:native #BTC
1
25
Small models got good enough. What used to need a data centre now fits in your pocket — and that quietly changes who has to be trusted. #EdgeAI #LLM #Privacy #Web3 #AgenticAI
10
❇️ The CLARITY Act cleared the House 294–134 and then stalled on the Senate floor. Regulatory clarity keeps slipping — which is exactly why tools that don't need permission keep mattering. Own your keys while the rules get written → blockvault.ai #CryptoRegulation #CLARITYAct #SelfCustody #Policy #BlockVault
1
198
The Senate's August work period began without a floor vote. Several analysts now put comprehensive market-structure law at mid-2027 at the earliest. bitcoin:native
1
15
Regulation shapes exchanges and issuers far more than it shapes self-custody. A wallet that holds nothing on your behalf has a much smaller surface to regulate. #Policy #DeFi #SelfCustody #CryptoNews #Web3
12
❇️A seed phrase written once and never tested isn't a backup. Metal over paper, geographic separation, and a recovery drill on the calendar. One phrase covers all 13 chains in BlockVault. Back up your BlockVault wallet in under 2 minutes → blockvault.ai #SeedPhrase #SelfCustody #CryptoSecurity #Backup #BlockVault
1
187
The industry is drifting toward MPC and account abstraction to hide seed phrases entirely. Convenient — but it usually reintroduces a third party you have to trust. bitcoin:native #Blockvault #BTC #Bitcoin
1
30
There's a trade-off nobody markets: every step away from a seed phrase adds a dependency. We'd rather make backup easy than make it someone else's problem. #MPC #AccountAbstraction #ERC4337 #WalletSecurity #Web3
17