Fireblocks Alternatives for Fintechs: Architecture, Deployment and Pricing in 2026
Ted Nguyen
Author
BD & Growth @Fystack

TL;DR
Fintechs have several Fireblocks alternatives in 2026. Fystack offers MPC custody at a lower cost than Fireblocks, with self-hosted deployment for teams that need control over their infrastructure. Choose Fireblocks for a large, established provider, or Fystack for lower costs and greater deployment flexibility.
Wallet infrastructure offers plenty of alternatives to Fireblocks. Alchemy’s dapp store lists 38 custody solutions, and searches for “best Fireblocks alternatives” surface even more options across review sites and vendor directories. Yet these lists rarely provide the detail fintech teams need to make an informed decision: signing architecture, deployment options, and pricing at their expected transaction volume.
Top Fireblocks Alternatives for Fintechs
The table below compares Fireblocks with five MPC wallet providers serving fintechs and payment companies, based on publicly available pricing and product information.
Table 1. Fireblocks alternatives at a glance: entry plans, volume and deployment (2026)
Platform | Entry plan | Outbound volume | Deployment |
$999/month, 6 months max | $1M per quarter | Cloud, Hybrid | |
$799/month, billed quarterly | $3M per quarter | Cloud | |
$5,750/year | $12M per year | Cloud, On-prem | |
$299/month | $300K per month | Cloud | |
$800/year | 100 signatures per month | Cloud, Hybrid, On-prem | |
Free | $20K per month | Cloud, On-prem |
Fireblocks vs Fystack MPC Architecture
Both platforms use multi-party computation (MPC) to enable transaction signing without reconstructing the complete private key on a single machine. Their implementations differ in signing protocols, key-share management, signer environments, API authentication, recovery mechanisms and code availability.
Table 2. Fireblocks vs Fystack MPC architecture
Dimension | Fireblocks | Fystack |
Signing protocol | Threshold ECDSA (GG18) and EdDSA via tss-lib, run on mpcium nodes | |
Key share distribution | Cloud: customer holds one third, Fireblocks holds two thirds. Hosted MPC: customer holds all three | Cloud: Fystack holds one share, and the customer holds the rest on one or more Cosigners (server or mobile) Self hosted: every node & cosigners in your environment |
Customer signer | Mobile app, or an API Co-signer in a secure enclave | Cosigner on a phone (Secure Enclave or StrongBox) or on a server in your network |
API authentication | API key + RS256 signed JWT | HMAC-SHA256 (API key + secret), or an Ed25519 client key pair |
Backup and recovery | Workspace key backup (in-house or via CoinCover / Station70) + Native Recovery Utility | Encrypted incremental backups + mpcium-cli recover |
Published code | mpc-lib (GPL 3.0) | mpcium (Apache 2.0) |
Fireblocks vs Fystack Deployment Options
Both Fireblocks and Fystack offer cloud-based custody and self-hosted deployment options. The key differences are what you need to deploy, how the transition works, and which components run in your own environment.
Fireblocks: Hosted MPC
- Infrastructure: Three co-signers run on customer-operated SGX machines.
- Cloud dependency: The co-signers continue polling Fireblocks SaaS for signing requests.
- Setup: Requires a new workspace configured with Fireblocks support. Existing SaaS workspaces cannot be converted.
Fystack: Self-hosted stack
- Deployment: Run the stack using Docker, Kubernetes, or Systemd, in your own cloud or on-premises environment.
- Components: Includes the Apex API, policies, audit logs, mpcium nodes, indexer, and rescanner.
- Setup: Run ./fystack-ignite.sh from fystack-selfhost-scripts to start the stack with Docker Compose.
Fireblocks vs Fystack Stablecoin Payment Features
Payment teams handle recurring tasks such as deposit sweeps, gas top-ups and withdrawal screening. Fireblocks and Fystack take different approaches to supporting these workflows, particularly in how they integrate with broader financial operations and reconciliation processes.

Fireblocks covers more of the finance stack, with accounting, reconciliation and tax workflows through TRES and embedded wallets through Dynamic. Fystack is API-first: webhooks for deposit and withdrawal events feed your own reconciliation, rather than a built-in accounting connector.
Fireblocks vs Fystack Pricing in 2026
Fireblocks and Fystack differ in both monthly pricing and the transaction volume included in each plan. For fintechs processing stablecoin payments, the total cost can change significantly once monthly outbound volume exceeds the plan’s limits.

The main difference is how each plan scales with volume. Fireblocks Essentials includes $1M in outbound volume per quarter and charges 0.20% on excess transactions. The plan is limited to six months, after which pricing starts at $36,000 a year for Custom.
Fystack Pro and Growth include $200K and $1M in monthly volume, respectively, with a 0.10% overage fee after seven days and no time limit. At $1M in monthly outbound volume, Fireblocks Essentials would cost an estimated $2,332 a month with overage, compared with $499 for Fystack Growth.
Fireblocks vs Fystack for Fintech Use Cases
Fireblocks is well suited to institutions that require an established, enterprise-grade provider to meet regulatory and counterparty expectations.
Fystack serves fintechs building cross-border payment infrastructure and stablecoin rails in emerging markets, where infrastructure costs must remain proportionate to transaction volumes.
Fystack is custody infra for stablecoin payment, with stablecoin wallets and treasury automation that let a fintech build its own stablecoin rails, no blockchain team required. You can start with Fystack for free today.
Frequently Asked Questions
Is there a self hosted alternative to Fireblocks?
Yes. Fystack runs its full stack on the client's own servers through Docker, Kubernetes or Systemd.
What does on-prem mean for crypto custody?
On-prem (on premises) means the custody software and key shares run on servers your company controls, in its own data center or cloud account, instead of the vendor's cloud.
What is a co-signer in MPC custody?
A co-signer is a separate signer that holds one key share and must take part before a transaction can be signed. It usually runs on a phone or a server the customer controls.
How much does Fireblocks cost in 2026?
Essentials costs $999 a month for up to six months, with $1M of outbound volume per quarter. Custom plans start at $36,000 a year.

