Casa vs relai

Casa operates as a specialized multi-signature collaborative custody provider rather than a pooled custodial service or broad exchange. The architecture is engineered around threshold cryptography models, most notably two-of-three and three-of-five vault configurations for Bitcoin, alongside smart contract-based multi-key protection for Ethereum and select ERC-20 assets such as USDT and USDC. Instead of generating a single master recovery phrase that exposes an entire treasury if compromised, Casa segments transaction authorization across discrete keys stored on separate hardware units, the user mobile phone, and Casa encrypted signing servers.

This selective design deliberately avoids broad token catalogs. Casa prioritizes security auditing and protocol stability over wide asset coverage, making it unsuitable for individuals seeking exposure to decentralized finance tokens or high-frequency staking ecosystems. For supported assets, vault accounts operate with native blockchain addresses, providing full transparency through public explorers while keeping signing credentials isolated across distinct secure enclaves and hardware models like Trezor, Ledger, Coldcard, and Passport.

Relai operates as a specialized Bitcoin brokerage and non-custodial wallet mobile application. Rather than maintaining a broad catalog of speculative tokens or derivatives, the platform dedicates its entire infrastructure to Bitcoin accumulation, management, and basic settlement. Users interact through clean mobile software available on iOS and Android operating systems, avoiding cluttered trading interfaces and distracting features.

The app enables immediate spot purchases, regular recurring investment schedules, instant sales back to European fiat bank accounts, and direct external blockchain transfers. By stripping out margin trading, token swaps, and complex order types, Relai streamlines the user journey toward regular personal savings. The software generates standard twelve-word recovery phrases directly on the local device, ensuring that cryptographic control over Bitcoin balances remains entirely with the individual owner.

Users can establish daily, weekly, or monthly automated recurring orders by linking standard SEPA payments from their personal bank accounts. This automated routine allows participants to execute systematic accumulation strategies without needing to monitor intraday market fluctuations. Advanced users can also link their external hardware signing devices, bridging the gap between mobile purchasing convenience and deep cold storage security setups.

Unlike traditional non-custodial crypto software that is distributed as free open-source utilities, Casa operates on a tiered annual software-as-a-service subscription model. Standard tiers range from entry-level single-key mobile management up to structured two-of-three multi-key vaults, with higher enterprise and private client tiers unlocking three-of-five security setups, dedicated account management, custom video verification, and legal inheritance documentation support. Pricing reflects the maintenance of collaborative signing infrastructure, mobile app synchronization, and concierge support rather than per-transaction percentage cuts.

When broadcasting transactions, users do not pay percentage spreads or custody management fees to Casa. Outgoing transfers incur standard network mining or gas fees paid directly to blockchain validators. Casa does not impose additional withdrawal surcharges, though users should account for the ongoing recurring software subscription cost when evaluating their overall holding overhead. For smaller balances, these annual subscription tiers may represent a noticeable fraction of total wealth, whereas for sizable balances, the fixed fee model compares favorably to asset-weighted management percentages.

Cost calculations on Relai depend on the selected payment channel, monthly trading volume, order type, and referral code usage. Base brokerage fees for standard one-time purchases start at 2.0 percent. However, setting up recurring automated orders or utilizing community referral codes scales the base brokerage fee down to 1.0 percent for standard volumes. Volume-tiered pricing further discounts large cumulative trades exceeding higher monthly brackets.

Payment execution methods introduce separate cost variables. Standard SEPA and SEPA Instant bank transfers do not carry additional platform processing surcharges, making them the most economical funding mechanism. However, using debit cards, credit cards, Apple Pay, or Google Pay triggers third-party processing markups, which can add between 1.5 percent and 3.0 percent to the final transaction total depending on the card issuer and regional routing.

Because Relai executes transactions directly on-chain or routes through payment infrastructure to self-custody balances, standard Bitcoin network mining fees apply. The app displays network fee estimates before confirmation, and batching mechanisms help mitigate settlement overhead on recurring purchases. Selling Bitcoin back to fiat accounts follows a similar tiered commission schedule, with proceeds routed directly to the verified IBAN provided during order execution.

The core defensive premise of Casa is the total elimination of unilateral custody risk. In a standard two-of-three vault setup, the user controls two keys (typically one mobile key and one dedicated hardware wallet), while Casa maintains the third key on a secure server. To spend funds, any two signatures are required. Under standard operating conditions, the user signs with their mobile device and hardware wallet, completing transfers without needing Casa signature intervention. Casa cannot initiate transfers, seize assets, or block on-chain transactions unilaterally because it possesses only one signature.

If a hardware device is lost or damaged, Casa signing service assists the user by cosigning a recovery transaction alongside the remaining user mobile key, allowing the vault balance to sweep to a freshly configured multi-key arrangement. For scenarios where Casa infrastructure is temporarily or permanently unavailable, the platform provides open-source sovereign recovery tools and encrypted key backups, enabling users who retain their two personal keys to reconstruct their transactions independently via standard external tools.

Relai adopts a strict non-custodial architecture, meaning the company never holds, manages, or pools client crypto assets. When a user creates a new account on the mobile app, the software generates a BIP39 standard twelve-word mnemonic seed phrase stored locally within the secure enclave of the smartphone. Relai servers hold no backup copies or administrative master keys for user balances.

This framework helps support that account holders retain unilateral control over their funds, preventing corporate freezes or insolvency exposure. However, it also places total responsibility for private key helps protect on the user. If a device is lost or damaged without a written offline backup of the recovery phrase, funds cannot be restored by customer service teams under any circumstances.

To bolster local operational security, Relai integrates biometric authentication, including Face ID and fingerprint scanning, alongside custom numeric application passcodes. The app also supports read-only and transaction-signing integrations with selected hardware devices such as BitBox02. This hybrid setup allows security-focused individuals to purchase Bitcoin seamlessly through the mobile app while keeping critical signing keys isolated on external cold storage hardware.

Headquartered in the United States, Casa offers its software services globally, subject to standard international sanctions and export compliance regulations. Because Casa does not accept fiat deposits, act as a custodial broker, or operate an order-matching exchange, onboarding avoids intrusive banking identity hurdles for entry tiers, though premium tiers with inheritance onboarding may involve formal identity checks and video verification to establish protocol recovery rules. The mobile application is available internationally on iOS and Android app marketplaces.

Customer support quality varies significantly by subscription level. Standard users receive access to comprehensive technical documentation, educational self-guided setup wizards, and responsive ticket-based customer support. Higher private client tiers receive personalized onboarding sessions, direct advisor channels, and annual security health audits. The platform also offers an integrated health check system within the app, prompting users to periodically verify that their disparate hardware devices remain operational and properly synchronized without exposing private seed information.

Headquartered in Switzerland, Relai operates within the Swiss regulatory environment under the supervision of a recognized self-regulatory organization in compliance with national anti-money laundering laws. The platform primarily serves residents of the European Union, the European Economic Area, and Switzerland who hold valid bank accounts denominated in Euros (EUR) or Swiss Francs (CHF).

Swiss financial regulations permit non-registered buying within specific daily and monthly thresholds. Users can purchase up to 1,000 CHF (or Euro equivalent) per day and up to 100,000 CHF annually without submitting formal identity documents, subject to payment verification via personal bank accounts. Exceeding these baseline transaction thresholds requires completing formal know-your-customer verification procedures, including government identity checks and proof of address submission.

Customer assistance is provided through an in-app help desk, direct email ticketing, and a structured online knowledge base. Support staff handle inquiries during standard European business hours, assisting with bank transaction matching, technical app troubleshooting, and account tier upgrades. Because the service is strictly non-custodial, support personnel cannot view private balances, reverse blockchain transactions, or reset lost seed phrases.