Halliday
Halliday
Halliday is a San Francisco company building an agentic workflow protocol on blockchain to automate multi-chain processes: cross-chain routing, gas payments, transaction batching, retries. Halliday Payments, the first-party app built on the protocol, helps acquire tokens across chains, swap assets and move between fiat and crypto while keeping control of funds (non-custodial). It raised a $20M Series A led by a16z crypto.
Data & conditions
| Service type | Stablecoin infrastructure |
|---|---|
| Pricing model | Not disclosed |
| Custody model | non-custodial |
| Customer type | Developers, Fintech, Platforms |
| Fund custody | Self-custody (funds in your control) |
| Supported countries | US |
| OAM Italy registration | No |
| Segment | B2B |
| Funding / solidity | Based in San Francisco. $20M Series A (March 2025) led by Andreessen Horowitz (a16z crypto), with Avalanche Blizzard Fund and Alt Layer; over $26M raised in total. |
| MiCA / License status | Not disclosed |
Strengths
- Agentic workflow protocol to automate multi-chain operations.
- Non-custodial model: the user keeps control of funds.
- $20M Series A led by a16z crypto (over $26M raised in total).
- Self-custody: funds stay in your wallet — the platform cannot touch them.
Weaknesses
- B2B/developer service: not a product for the ordinary consumer.
- Early-stage company, protocol still rolling out.
- No known financial license or regulation.
- No notable sovereignty drawback documented.
Verdict
Score 3.5/5, solid profile. In its favour: agentic workflow protocol to automate multi-chain operations. The trade-off to weigh: b2B/developer service: not a product for the ordinary consumer.
On the Sovereignty lens the score is 5.0/5 (outstanding): the strength is fund control (5.0/5).
Promp's editorial rating based on real fees and net annual cost. Promp reviews third-party products independently.
"Sovereignty" rating: score computed on privacy/anonymity (30%), fund control (20%), censorship resistance (20%), trustless/auditability (20%) and costs (10%). Same data, different weights.
FAQ
Is Halliday a consumer product?
No. It is infrastructure for developers and businesses that want to build on-chain agentic workflows and multi-chain payments.
Does Halliday custody funds?
No: Halliday Payments is non-custodial, the user keeps control of their own funds during operations.
Sources
- Official service page Descrizione · Prodotto Data verified on Jul 17, 2026
- fortune.com Funding · Investors Data verified on Jul 17, 2026
- venturebeat.com Prodotto · Agentic protocol Data verified on Jul 17, 2026