VERY VINCI.·Selected work
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Crypto · Trading terminal
Onyx

A trading terminal that stays calm when the market doesn't.

A pro crypto exchange designed for decisions under pressure. Depth, order flow and risk in one view, without the flashing-casino noise most terminals mistake for seriousness.

Scope
Product design · web, iOS
Surfaces
Terminal · portfolio · earn · wallet
Year
2026
Sector
Crypto exchange
Onyx
Balance €248,910.44
TR
Markets⌕
BTC/EUR
Bitcoin
57,204
+2.14%
ETH/EUR
Ethereum
3,088
+1.08%
SOL/EUR
Solana
168.4
−0.92%
XRP/EUR
Ripple
0.612
+3.41%
ADA/EUR
Cardano
0.482
−1.20%
LINK/EUR
Chainlink
18.22
+0.64%
AVAX/EUR
Avalanche
41.10
+5.02%
DOT/EUR
Polkadot
7.34
−0.31%
BTC / EUR
57,204.10
24h change+1,204.4 (2.14%)
24h high57,880
24h low55,410
24h vol€412.8M
1m5m15m1H4H1D1W
Price (EUR)Amount (BTC)
57,2600.842
57,2481.204
57,2360.640
57,2241.880
57,2120.412
Spread4.100.007%
57,2041.560
57,1920.980
57,1802.140
57,1680.720
57,1561.150
BuySell
PriceEUR
57,204.10Limit
AmountBTC
0.5000BTC
25%50%75%100%
TotalEUR
28,602.05EUR
The problem
Serious money, casino UI

Most crypto terminals confuse noise with sophistication: flashing tickers, twelve colours, numbers moving for the sake of it. That's fine on a demo. When real money is on the line it becomes a place you make mistakes.

Traders don't need more on screen. They need the right things louder and everything else quiet.

The approach

One accent colour, earned. Price, depth and your open risk get the emphasis; the rest recedes. The candles, the order book and the order form share one grid so your eye never has to relearn where it is when the market moves.

Green and red are reserved strictly for direction, never for decoration, so the moment something matters it actually reads.

The outcome

A terminal that feels calm at speed: the same system across the desk terminal, the portfolio, the earn products and the phone in your pocket at 3am.

On a fictional beta, mis-clicks on the order form dropped by a third after the buy and sell states were pulled properly apart.

02
Portfoliototal value, allocation and open positions in one read
Onyx
Balance €248,910.44
TR
Portfolio value
€248,910.44
▲ €12,480.10 (5.28%) · 24h
BTC · 46%
ETH · 24%
SOL · 16%
Others · 14%
Holdings6 assets
AssetPriceHoldingsValue24hAllocation
₿
BitcoinBTC
57,2042.001€114,485+2.14%46%
Ξ
EthereumETH
3,08819.34€59,721+1.08%24%
◎
SolanaSOL
168.4236.5€39,826−0.92%16%
◆
ChainlinkLINK
18.22980.0€17,855+0.64%7%
●
PolkadotDOT
7.341,240€9,102−0.31%4%
▲
AvalancheAVAX
41.10195.0€8,014+5.02%3%
03
In your pocketthe same calm, on the phone: portfolio and a two-tap swap
9:41
Portfolio
TR
Total value
€248,910
▲ 5.28% · 24h
Holdings
₿
Bitcoin2.001 BTC
€114,485
+2.14%
Ξ
Ethereum19.34 ETH
€59,721
+1.08%
◎
Solana236.5 SOL
€39,826
−0.92%
Home
Trade
Swap
Account
9:41
Swap
TR
You pay
0.50
₿BTC ▾
You receive
9.261
ΞETH ▾
Rate
1 BTC = 18.52 ETH
Network fee
€2.40
Home
Trade
Swap
Account
04
Earnstaking and yield, with the risk stated plainly
Onyx
Balance €248,910.44
TR
Earnstaked €62,400 · earning €4,180/yr
Ξ
Ethereum
Staking · flexible
Est. APY
4.2%
Your stake12.0 ETH
Rewards · 30d+0.041 ETH
Lock-upNone
◎
Solana
Staking · 3-day unbond
Est. APY
6.8%
Your stake140 SOL
Rewards · 30d+0.79 SOL
Unbond~3 days
€
EUR vault
Yield · T-bills
Est. APY
3.6%
Balance€28,000
Rewards · 30d+€84.00
RiskLow · backed
One order, confirmedthe fill raised over the book it came from
Price (EUR)Amount (BTC)
57,2600.842
57,2481.204
57,2360.640
57,2241.880
57,2120.412
Spread4.100.007%
57,2041.560
57,1920.980
57,1802.140
57,1680.720
57,1561.150
₿Order filledcomplete
+0.5000 BTC
Limit buy · BTC/EUR
Avg. fill price57,201.80
Total€28,600.90
Fee€28.60 · 0.1%
Filled in0.4s · 3 fills
Case study 04 of a series.
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