The Vaultr Blog

Notes from the ownership frontier.

Deep dives on privacy engineering, self-custody, and why the technology that puts you back in control is the most important technology we’ll ever build.

Insights

Why Journalists Choose Vaultr to Protect Sources and Communicate Securely

How Vaultr's encrypted messaging, multi-profile vault, and coercion-resistant slots help journalists protect sources and reporting materials.

June 5, 2026 · The Vaultr Team

Product

Blockmaze and BMZ Explained: The Economics of a Privacy-First Layer 0

Blockmaze is Vaultr's EVM-compatible Layer 0; BMZ is its gas and fee-discount token. How the non-custodial, ERC-4337-native economics work.

June 4, 2026

Insights

Vaultr for Human-Rights Activists and NGOs: Safety and Privacy Under Pressure

How Vaultr's encrypted messaging, multi-profile vault, coercion-resistant slots, and recovery protect human-rights activists and NGO teams under pressure.

June 3, 2026

Security

Inside Vaultr's Security Architecture: Passkeys, 42 Workflows, and Defense in Depth

Inside Vaultr's defense in depth: WebAuthn passkeys, 16 microservices, a Saga orchestrator running 42 workflows, distributed locks, and an immutable audit trail.

June 2, 2026

Wallet

Account abstraction, explained: how ERC-4337 makes crypto usable

Account abstraction, explained: how ERC-4337 v0.7 UserOperations via a Pimlico bundler and paymaster make a self-custody crypto wallet genuinely usable.

May 31, 2026

Insights

Vaultr for Individuals and Families: Personal Security Without Losing Access

How Vaultr combines an encrypted vault, secure messaging, and self-custody crypto with coercion-resistant slots and guardian recovery for everyday families.

May 30, 2026

Insights

Vaultr for Frequent Travelers and Digital Nomads: Your Money and Messages, Anywhere

How Vaultr's seedless self-custody wallet and encrypted messenger keep your crypto and conversations with you across borders, devices, and unreliable networks.

May 28, 2026

Messaging

Your Messages Shouldn’t Live on Someone Else’s Server

Why Vaultr’s Matrix-based, end-to-end encrypted messaging gives you ownership of your conversations, not just another app.

May 28, 2026

Wallet

Never lose access: a complete guide to social recovery, backups and device migration

A complete guide to never losing crypto access: Shamir 2-of-3 keys, guardian social recovery, encrypted backups, and atomic device migration.

May 26, 2026

Insights

Vaultr for Crypto Freelancers: Get Paid Globally with On‑Chain Escrow

Get paid in crypto from anywhere with Vaultr: on-chain escrow that protects every gig, in-chat payment requests, and a seedless self-custody wallet across 9 chains.

May 25, 2026

Messaging

In-chat crypto payments and on-chain escrow: send money like a message

Send crypto like a message: claim-code payments backed by on-chain escrow, plus approval, milestone, refundable, timeout contracts and Bitcoin multisig.

May 24, 2026

Insights

Vaultr for Small Businesses and Global Teams: Payments, Treasury and Secure Comms

How small businesses and global teams use Vaultr for crypto payments, treasury, on-chain escrow and end-to-end encrypted team messaging.

May 23, 2026

Wallet

One wallet, nine chains: how Vaultr does multi-chain across EVM, Bitcoin and Solana

One self-custody wallet across nine chains: how Vaultr derives EVM, Bitcoin (UTXO) and Solana (SVM) addresses from one HD BIP32/44 key tree.

May 22, 2026

Wallet

Vaultr for Crypto-Native Users: One Self-Custody App for Nine Chains

Vaultr gives crypto-native power users one self-custody app across nine chains: EVM, Bitcoin and Solana, with a seed-phrase-free smart wallet and encrypted chat.

May 20, 2026

Wallet

Self-Custody Without Seed Phrases: How Vaultr Uses ERC-4337 and Shamir Secret Sharing

How Vaultr replaces fragile seed phrases with ERC-4337 smart contract wallets, Shamir Secret Sharing, and independent transaction 2FA for real self-custody.

May 20, 2026

Security

Coercion-Resistant Security: Decoy, Duress, and Destruct

How Vaultr’s decoy, duress, and destruct slots turn “just encrypt it” into real-world, coercion-resistant security.

May 12, 2026

Every other app asks you to trust it.
Vaultr trusts you.

Your vault. Your keys. Your messages. Your money. Your identity. Your rules. Get it on every platform — and if they’ve blocked the stores where you live, install the PWA and walk right in.