Match, dollar, and SPARK — Strike. Flame. Stove.

December 2016 → Arc 2026

They called it Project Spark first.

Now on Arc

The Lore

A spark is the first strike. Not the fire. Not the stove. The instant an idea catches and cannot be put back.

In December 2016 Jeremy Allaire and Sean Neville published that strike. They called it Project Spark. It was not a coin. It was not a chain. It was an open protocol so wallets could move programmable fiat on rails that were finally ready — first Bitcoin, then Ethereum — with KYC, FX, workflow, and settlement written into the design.

The same week they stopped selling bitcoin in the consumer app. The posts barely traveled. Allaire said it later in one sentence: Spark was the early work that became USDC.

That is the whole meaning. They named the ignition. The dollar shipped two years later. The chain built for that dollar is Arc.

$SPARK is the retired name returning to claim its ticker. The original strike. The original idea. On the chain that bears the stove.

Circle @circle — August 12, 2025 →
SPARK wallet confirmation — Send $20, wallet to wallet, settled on chain

From Almost to Origin

Kitchen table

Allaire and Neville start Circle on a simple brief: make money work like the internet. HTTP for money. Open, instant, global.

Licenses before the stack

Circle takes the New York BitLicense. They can move value on public chains, but the chain they wanted for dollars is not ready.

Spark

Ethereum is in production beta. They announce Project Spark: open-source fiat tokens on Bitcoin and Ethereum. Wallets talking to wallets. Compliance in the protocol, not only in the app. CoinDesk writes it up as infrastructure, not a ticker. Almost nobody treats it as a founding myth. They keep building anyway.

Centre

Spark's stack becomes a consortium vision. Fiat tokens across currencies. Onchain FX. Reversals. A governance token, CENT, is talked about. CENT does not launch.

USDC

The first dollar that Spark described actually ships. Reserve-backed. Regulated. The name Spark is already cold.

Other people's chains

USDC lives on Ethereum, Solana, and the rest. Circle builds the coin. Other networks collect the gas.

Arc

Circle announces its own L1. Economic OS for the internet. USDC as gas. The rail is finally the product.

Public mainnet

The stove they did not have in 2016.

Strike. Flame. Stove.

Spark. USDC. Arc.

A Story Before a Token

They did not fall in love with a mascot. They fell in love with a sentence: dollars should move on an open protocol.

A founder reviewing Project Spark protocol documents late at night
The late review. After the team leaves, one founder stays to read through every page of the Spark draft — the open protocol spec, the wallet flows, the compliance layer. This is the work nobody tweeted about. The dollar was still two years away.
Two founders holding the Project Spark name, looking out at the city
The name on paper. Two founders hold up the sheet with the word they chose. Outside, a city full of banks, apps, and payment rails that still don't talk to each other. The bet: programmable fiat on open chains could reach all of it.
Early notebook sketch connecting SPARK to wallets and fiat
The first diagram. Before there was infrastructure, there was a sketch in the margin: SPARK at the top, wallets and fiat below. Coffee rings on the cover. No coin, no chain — just the sentence they kept coming back to: dollars should move on an open protocol.
Founders in a meeting with the SPARK mark on the whiteboard
The mark on the wall. They put the logo where they couldn't ignore it. Every meeting, the same question: how do you move regulated fiat between wallets on public chains without rebuilding trust in every app? Spark was the answer they wrote before the market had a name for it.

Spark is what they cared about before the market had a word for stablecoins. Arc is what you build when that care outlives the code name.

How Spark leads Arc

Then Now
Fiat tokens on an open protocol USDC as the unit
Wallets sending value on a chain A chain whose gas is that unit
KYC, FX, settlement in the design Institutional validators, FX engine, payments L1
"People didn't pay much attention" Public mainnet

If Spark never existed, USDC still might have been built under another name. The point of this story is not legal lineage. It is emotional lineage: the first time they said the quiet part out loud — programmable fiat on a chain — they called it Spark. Arc is that sentence with a network under it.

Founders looking at the SPARK mark

Community with Personality

This page is not Circle. The logo is fan identity. The founders in the pictures are types, not a press kit. If there is a token, it is a community object sitting on top of a retired name.

  • Do not use Circle rings.
  • Do not use spark.money's asterisk.
  • Do not use Microsoft Project Spark.
  • Crop the original lockup for the PFP.
  • Keep the match and the word on one line.

Find SPARK here

CA: TBA — Arc mainnet launch

Arc Chain

Exchanges

Bridge

How to use
Arc Chain

So easy your match could do it.

  1. 1
    Get a wallet

    Download a compatible wallet and add the Arc network. See official docs for network details.

  2. 2
    Bridge USDC

    Bridge funds over to Arc. USDC is gas on Arc — the rail is finally the product.

  3. 3
    Swap for $SPARK

    Open the DEX, paste the contract address, swap for $SPARK when live.

Gallery

The mark stays the first one. Do not redraw it.

SPARK logo — tan stick, orange triangle Match, dollar, and SPARK — Strike. Flame. Stove. Founders and SPARK mark Night office Window scene Notebook sketch

FAQs

Frequently asked questions.

Is this affiliated with Circle?
No. We just think Spark is a really good name they shouldn't have abandoned. This is fan fiction with a ticker.
Is it really called Arc?
Yes. That's where the spark lives now. Circle announced its own L1 in August 2025. USDC as gas. Public mainnet September 16, 2026.
What happened to Project Spark?
It became USDC. Allaire said it in one sentence: Spark was the early work that became USDC. The name went cold. The idea did not.
Will it go up?
Spark goes up. Spark goes down. Spark does not care. You shouldn't either with money you can't afford to lose.
What's the contract address?
TBA on Arc mainnet. Always check it against the official links here — the match has impostors.
Who's behind this?
Some people who really like historical trivia and the sentence: programmable fiat on a chain.