📒 Codex Mcap · DeFi credit

Maple Finance SYRUP

the suited bee that turns institutional IOUs into on-chain yield

🎭 a dealmaker in a sharp suit, taking loans that most of DeFi was too nervous to touch

📜 Smart Contract
ALTROOKIE CODEX

💬 “Banks lend to companies behind closed doors. I do it on a public ledger: borrowers sign, lenders deposit, and the interest flows straight back as yield. Sweet, isn't it?”

💬 TL;DR
  • What it is: an on-chain lending desk where vetted institutions borrow and lenders earn the yield.
  • May 2021: the Maple protocol launches, built by two people with banking backgrounds.
  • Nov 2024: the SYRUP token arrives and takes over from the old MPL token (1 MPL → 100 SYRUP).
  • It runs on Ethereum, not its own chain, and SYRUP has no fixed supply cap.

📖 The Story

In May 2021, two people with backgrounds in banking and finance, Sid Powell and Joe Flanagan, put a lending desk on the blockchain. Most of DeFi at the time only lent against collateral worth more than the loan itself. Maple did something braver: it let vetted businesses and crypto-native firms borrow with less collateral than the loan, the way real-world banks lend to companies they trust. That was a corner of lending almost nobody else in DeFi would touch.

It worked like a marketplace. Lenders deposited stablecoins and digital assets into pools; approved borrowers drew loans from those pools and paid interest; the interest flowed back to lenders as yield. Over its first few years the protocol arranged billions of dollars in institutional loans. Undercollateralized lending is also where the danger lives, and Maple learned that the hard way when borrowers ran into trouble during the rough markets of 2022. By 2024 it leaned more on overcollateralized loans, a steadier footing.

The bee changed its coat too. On November 13, 2024, after a community vote, Maple launched a new token called SYRUP to replace its older one, MPL. Every MPL could become 100 SYRUP, so nobody's slice got watered down. The swap window closed at the end of April 2025, got one short final extension, and by May 2025 the migration was done. Same hive, sweeter name.

📊 Stats

Institutional focusYield engineGovernanceCredit riskScarcity
🏦Institutional focus Built for big borrowers
💧Yield engine Lenders earn loan interest
🗳️Governance SYRUP votes & stakes
⚠️Credit risk Undercollateral can default
💎Scarcity No cap, ~5% yearly issuance

🧩 How it works

Maple is a set of smart contracts living on Ethereum and a few other networks, not a chain of its own. The flow is short: lenders deposit into a pool, a vetted institution borrows from it and pays interest, and that interest returns to lenders as yield. SYRUP sits on top as the governance token, letting holders vote and stake.

💧 Lenders deposit stablecoins 🍯 Maple pool smart contract on Ethereum 🏦 Vetted firms borrow, pay interest deposit loan interest returns to lenders as yield 🍯 🗳️ SYRUP holders govern the protocol
💧 Lenders fill the 🍯 pool, 🏦 vetted firms borrow and pay interest, and that interest loops back to lenders as yield — while 🗳️ SYRUP holders govern it.

🌗 Light & Shadow

🌕 Light
  • A real product with real customers: it arranged billions of dollars in institutional loans, not just token speculation
  • Pioneered undercollateralized on-chain lending, a credit niche most of DeFi avoided
  • The MPL → SYRUP swap was handled cleanly at 1 to 100 (no dilution for existing holders)
🌑 Shadow
  • Undercollateralized loans can default. In the rough markets of 2022, some borrowers couldn't repay, and lenders felt it
  • SYRUP has no supply cap, with roughly 5% new issuance a year, so scarcity is low (its value leans on real usage, not a fixed cap)
  • Trusting vetted institutions means trusting Maple's vetting; it is closer to traditional credit risk than to a fully trustless system

🧬 Evolution lineage

SYRUP is the direct successor of the old MPL token, a 2024–2025 rebrand with a 1 MPL → 100 SYRUP swap. It is not a fork or a sibling chain of any base coin; Maple is a DeFi protocol that runs on Ethereum.

🟣 MPL 🍯 SYRUP

🧭 Meet other friends

See the whole codex →

❓ FAQ

What is Maple Finance?
A lending protocol that runs on Ethereum and other networks. Vetted businesses and crypto-native institutions borrow from pools, and the people who deposited into those pools earn the interest as yield. It is a bridge between real-world-style credit and DeFi.
What is the SYRUP token?
SYRUP is the governance and staking token of the Maple ecosystem. Holding it lets you vote on proposals and stake for utility. It launched on November 13, 2024 and replaced Maple's earlier token, MPL, after a community vote.
What happened to the old MPL token?
MPL was converted into SYRUP at a rate of 1 MPL to 100 SYRUP, so holders kept the same share with no dilution. The conversion window closed on April 30, 2025, with a short final extension, and the migration wrapped up in May 2025.
Does SYRUP have a supply cap?
No. SYRUP is inflationary with no fixed maximum supply. Maple's docs describe roughly 5% new issuance per year over three years. Circulating supply sits near 1.19 billion tokens, so its scarcity is low by design.
Where can I buy SYRUP?
On many crypto exchanges that list it. Because it is a DeFi governance token, its price can move sharply, so only try a small amount you can afford to lose. (Information only, not advice to use any particular exchange or to invest.)

⚠️ Not investment advice. All figures are for information only.