SyntropyX
Case Study

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Web3 DeFi Product Design Design System

SyntropyX

DeFi Structured Vault Platform

Year 2025
Role Lead Product Designer
Tools Figma · Claude Code
Company Nethermind
Net Value
$6,456
Net APY
4.04%
Earned rewards
234 USX
OC Level
125% Healthy
Total locked
$12.3M

Overview

Unlock liquidity from your assets and earn rewards

SyntropyX is a DeFi structured vault platform that allows users to deposit BTC or other supported collateral to create personal vaults, mint synthetic assets (USX and RLX), stake them to earn rewards, and maintain control of their assets throughout.

The platform supports two core strategies — Yield-Focused and Delta-Focused — giving users fine-grained control over their risk exposure and return profile. Built at Nethermind, the protocol is designed for both experienced DeFi users and newcomers entering the on-chain economy.

How it works

01

Create a vault

Deposit BTC or other supported collateral to create your personal vault for minting synthetic assets.

02

Mint & Stake

Mint USX and RLX tokens against your collateral and stake them to earn rewards while helping secure the network.

03

Earn Rewards

Earn staking rewards and vault performance bonuses while maintaining control of your assets.

$12.3M Total locked value
2,450 Unique stakers
4.04% Net APY
$206K Daily rewards drop

Strategies

Choose your risk profile

◈

Yield-Focused Strategy

Earn consistent returns with minimised exposure to price volatility.

Estimated APY 5 – 15%
Risk Level Low – Medium
Potential ROI Stable, consistent
Best for: Passive income
△

Delta-Focused Strategy

Capture upside potential through exposure to price movements.

Estimated APY Variable
Risk Level Medium – High
Potential ROI Market dependent
Best for: Active traders

User Flow

Vault creation

A multi-step vault creation flow designed to be transparent at every stage — from selecting a strategy to monitoring the deposit execution on-chain.

Step 1
→
Step 2
→
Step 3
syntropyx.io/vault/create
Portfolio Vaults Staking
Vault creation / Select Token and Strategy

Select Strategy

◈
Yield-Focused Strategy
Earn consistent returns with minimized exposure to price volatility
Read more
△
Delta-Focused Strategy
Capture upside potential through exposure to price movements
Read more

Select Token

BTC
Available: 3.04 BTC
2.00 MAX%
The order will execute at the best available market price, which may vary depending on market conditions.
Order type
Strategy Yield-Focused
Asset 2.00 BTC
Slippage Auto
Est. APY 5 – 15%
syntropyx.io/vault/create/deposit
Portfolio Vaults Staking
Vault creation / Collateral Deposit

Minting tokens

Deposit value 2 BTC
Estimated Slippage Auto – 0.60%
Supply APY 5 – 15%
Tokens that you will receive
29,344 USX
72,844 RLXi
Pool risks

Participating in this vault can offer enticing rewards, but it's essential to be aware of the associated risks. Market volatility can lead to fluctuations in asset values, which may affect your returns. Additionally, there may be liquidity risks, meaning you could face challenges in accessing your funds when needed.

Collateral Deposit
Asset 2 BTC
Market price $37,200
Slippage Auto – 0.60%
You receive 29,344 USX + 72,844 RLXi
syntropyx.io/vault/create/progress
Portfolio Vaults Staking

Deposit in progress

Elapsed time 24m : 17s
✓
Executing deposit Assets: 2 BTC · Amount confirmed
Executing Hedging Blocks confirmed: 2/10
Current stage
Minting tokens Waiting…
Deposit confirmed Waiting…
Operation started at 15:34 – 12/04/2025 Network: Bitcoin Mainnet

You can close safely this tab and you will be notified when the deposit transfer has been confirmed.

Screens

Portfolio dashboard

syntropyx.io/portfolio
Portfolio Vaults Staking

Portfolio

All your assets and positions across your SyntropyX activities

Net Value $ 6,456
Earned rewards 234 USX
USX staked 971 USX
Active vaults 4
In Vault 58% Public Pool 33% Idle 7%
Vault ID Strategy Date created USX Staked OC Ratio Status
VLT-001 Yield-Focused 04/09/2025 22,400 USX 125% Healthy
VLT-002 Delta-Focused 06/12/2025 9,000 USX 113% Monitor
VLT-003 Yield-Focused 12/09/2025 — — Depositing

General staking

syntropyx.io/staking
Portfolio Vaults Staking

Staking

General staking information

Total locked value $12,323,971 12,456,331 USX
Unique stakers 2,450 +2.4% (24h)
Net APY 4.04% Overall staking
Daily rewards drop $206,004 323,001 USX
Staking history
Date Type Amount Unlock period Status
04/09/2025 Staking 23 USX 30 days Claimable
04/10/2025 Staking 129 USX 7 days Active
12/09/2025 Unstaking 2,456 USX — Pending

Closing thoughts

Complex DeFi,
made accessible.

Designing SyntropyX meant translating multi-step on-chain operations into a clear, confident user experience — one that informs without overwhelming, and guides without removing control.

Get in touch