OneKey Classic 1S Review: Storing & Staking Solana on a $99 Open-Source Cold Wallet

A hands-on review of the OneKey Classic 1S — a $99 open-source hardware wallet with EAL6+ secure-element security, USB-C and Bluetooth. OneKey sent us one to review and we've been storing and staking SOL on it. Honest take, plus how it stacks up against Ledger and Trezor.

MadeOnSol·June 28, 2026· 6 min read

OneKey Classic 1S Review: Storing & Staking Solana on a $99 Open-Source Cold Wallet

Disclosure: This article contains affiliate links. If you sign up through them, MadeOnSol may earn a commission at no extra cost to you. This never affects our rankings, ratings, or reviews.

Tools mentioned

Compare features and read reviews.

Live health scores, average ratings, and direct links on MadeOnSol.

Phoenix

Fully on-chain limit order book DEX built natively on Solana

Sniperoo

Chrome extension that lets you snipe and trade Solana memecoins directly from Twitter and Discord

OpenOcean

Cross-chain DEX meta-aggregator with zero-fee swaps across 40+ chains

Build with MadeOnSol API

KOL tracking, deployer intelligence, DEX streaming, and webhooks. Free API key — 200 requests/day.

Start free

import { MadeOnSol } from "madeonsol";

// Get a free API key at madeonsol.com/pricing
const client = new MadeOnSol({ apiKey: "msk_your_key" });

const { trades } = await client.kol.feed({ limit: 10 });
const { alerts } = await client.deployer.alerts({ limit: 5 });
const { tools } = await client.tools.search({ q: "trading" });

npm install madeonsolFull API docs

Keep reading

More from the blog.

All Reviews

Reviews

Cypherock X1 Review: The Seedless Hardware Wallet (2026)

Cypherock X1 replaces the seed phrase with key shards split across a vault and four cards. Here's how the seedless model works, whether it fits Solana holders, and an honest look at the tradeoffs.

7 minMay 31, 2026

Ecosystem

Ledger Guide for Solana: How to Store SOL, SPL Tokens and NFTs Safely (2026)

Step-by-step guide to setting up a Ledger hardware wallet for Solana. Covers SOL, SPL tokens, NFTs, DeFi signing with Jupiter and Raydium, device comparison, and common mistakes that get wallets drained.

Enjoyed this article?

Explore the live data.

Real-time KOL trades, Pump.fun deployer intel, and 1,200+ ranked Solana & Robinhood Chain tools — free to explore.

Open the KOL Tracker

API reference Start free Browse all articles

Explore more

Top 10 Trading Bots Top 10 DEXs & Swaps Deployer Hunter KOL Tracker Compare Yields Solana Glossary

USB-C and Bluetooth

You can use it wired over USB-C at your desk, or over Bluetooth from your phone when you're away from a cable. Both worked fine for us.

Worth a note for the security-minded: some people prefer a cold wallet with no radio at all, and Bluetooth is occasionally raised as a theoretical attack surface. In practice the keys never leave the secure element and every transaction is confirmed physically on the device, so Bluetooth is a transport, not a key-exposure path — and if it bothers you, you can simply use USB-C only. We like having the option.

How it compares

We keep a live, side-by-side breakdown on our Solana wallet comparison page, but in short:

	OneKey Classic 1S	Ledger Nano S Plus	Trezor Safe 3
Price	$99	~$79	~$79
Secure element	Yes (EAL6+)	Yes (EAL6+)	Yes
Open-source firmware	Yes	No	Yes
Bluetooth	Yes	No	No
Solana staking	In-app	Via Ledger Live	More limited

The Nano S Plus and Trezor Safe 3 are both excellent and a bit cheaper. What the Classic 1S adds at the $99 tier is the combination the other two each miss one half of: open-source firmware + an EAL6+ secure element + Bluetooth. Independent reviewers land in the same place — Aldaron Crypto scored it 8.3/10 and called it "a great alternative screened device" to the Ledger and Trezor entry models.

What to weigh before buying

We've hit no real problems in our own use, but an honest review names the trade-offs other reviewers consistently raise, so you go in informed:

The screen is small and monochrome (128×64 OLED). It's perfectly readable for addresses and amounts, but it's not the crisp color display of pricier models.
The build is light plastic. That's what makes it pocketable, but it feels less premium than a metal-bodied wallet and can pick up fingerprints.
Small 110 mAh battery — fine for signing sessions, but you'll top it up.
The secure-element chip vendor (Tongxin Microelectronics) is less of a household name than the ones Ledger/Trezor use, though it's a standard EAL6+ part.
OneKey's ecosystem is younger than Ledger's. Ledger Live has more years and integrations behind it; OneKey is catching up fast and open-source, but it's worth knowing.

What the OneKey Classic 1S is

It's a credit-card-thin cold wallet that keeps your private keys on a dedicated chip that never touches the internet. The headline specs:

Spec	OneKey Classic 1S
Price	$99
Secure element	EAL6+ certified chip
Screen	1.54" monochrome OLED, button navigation
Connectivity	USB-C and Bluetooth
Battery	Built-in 110 mAh
Coverage	100+ chains, 30,000+ coins (Solana included)
Open source	Firmware and apps published on GitHub
App	macOS, Windows, Linux, iOS, Android, Chrome

Spec

OneKey Classic 1S

Price

$99

Secure element

EAL6+ certified chip

Screen

1.54" monochrome OLED, button navigation

Connectivity

USB-C and Bluetooth

Battery

Built-in 110 mAh

Coverage

100+ chains, 30,000+ coins (Solana included)

Open source

Firmware and apps published on GitHub

App

macOS, Windows, Linux, iOS, Android, Chrome

The EAL6+ secure element is the part worth dwelling on: it's the same security-certification tier as Ledger's chips, and OneKey pairs it with fully open-source firmware — a combination that's surprisingly rare. With most wallets you pick one or the other: Ledger's secure element with closed firmware, or Trezor's open firmware. OneKey gives you both.

Setup: genuinely easy

Setup was the smoothest part. The on-device prompts and the app walked through each step clearly — generate the recovery phrase, confirm it, set a PIN — with no guesswork. Two things stood out as done right:

Firmware update first. Before doing anything else, the app prompted us to update the firmware, which is exactly the order you want (you don't want to initialise a wallet on stale firmware).

Genuine-device verification. On first activation the device runs a firmware attestation check — it verifies the unit is running authentic, unmodified OneKey firmware and hasn't been tampered with or pre-initialised. For a hardware wallet that's the single most important first-boot check, and OneKey makes it automatic rather than a hidden menu item.

From unboxing to a funded, verified wallet took only a few minutes, and at no point did we have to go hunting for instructions.

Using it for Solana

Our actual use case is storing SOL and staking it. The OneKey app has a DeFi/Earn section where you can stake SOL directly — keys stay on the device, you approve the transaction on the hardware, and you start earning. It's the thing a lot of "Solana-compatible" hardware wallets technically support but make awkward; here it's a few taps. Solana sends, receives, and staking all worked without dropping into a third-party interface.

If you also hold beyond Solana, the 100+ chain support means the same device covers Bitcoin, Ethereum, and the long tail without juggling apps.

OneKey Classic 1S Review: Storing & Staking Solana on a $99 Open-Source Cold Wallet

Compare features and read reviews.

Phoenix

Sniperoo

OpenOcean

More from the blog.

Cypherock X1 Review: The Seedless Hardware Wallet (2026)

Ledger Guide for Solana: How to Store SOL, SPL Tokens and NFTs Safely (2026)

Explore the live data.

USB-C and Bluetooth

How it compares

What to weigh before buying

Rango Exchange

PancakeSwap

How to Use Solflare Wallet: Complete Setup and DeFi Guide (2026)

Best Solana Hardware Wallets: Ledger, Trezor & Keystone Compared (2026)

SafePal Review: Hardware + App + Card in One Wallet (2026)

How to Earn Passive Income on Solana: 7 Proven Strategies (2026)

What the OneKey Classic 1S is

Setup: genuinely easy

Using it for Solana

Verdict