At a glance
Plasma on Paymos
Supported stablecoins
- USDT Tether USD
Confirmation speed
Confirmation depth is network-specific — Paymos tunes it to each chain's finality and shows thresholds where they apply.
Why Plasma for crypto payments
Plasma is a Layer-1 built for one job: moving stablecoins. USDT is the anchor asset, and the protocol can sponsor USDT transfers so the buyer signs in the asset they already hold. It's EVM-compatible, so existing wallets, signing infrastructure, and tooling work without bespoke integration.
For a merchant, Plasma is the right rail when the audience holds USDT specifically — exchange-withdrawal users, USDT-native retail, and any flow where keeping the customer on the asset they already hold matters.
Supported stablecoins on Plasma
USDT is the anchor asset on Plasma and the one stablecoin Paymos accepts here — the panel above shows it. USDC is not natively deployed on Plasma, and Paymos does not accept bridge wrappers; DAI, USD1, and XAUT are not deployed either.
How confirmations work on Plasma
Plasma runs PlasmaBFT, a byzantine-fault-tolerant consensus that commits a block in about a second and reaches deterministic finality — a committed transfer stays committed, rather than a reorg probability you wait out. The protocol also anchors periodic state checkpoints to Bitcoin as an added settlement safeguard.
Because a Plasma payment clears in one fast network event rather than an accumulating block count, the wait stays short and steady whatever the ticket size. Paymos does not track Plasma's own finality flag here and does not vary the wait by amount on this chain; the exact depth is an operational parameter tuned to conditions, and your dashboard shows the live status of each payment.
Fees and gas
Plasma sponsors USDT transfers: the buyer sends USDT and the protocol covers the gas. So there's no second token to fund before paying — the buyer never has to acquire a gas coin first, which removes the most common reason a crypto checkout stalls. Exact behaviour depends on the wallet and how it talks to Plasma's gas layer; the wallet shows the cost at signing.
Paymos pricing on Plasma: 1.0% Standard, 0.3% Enterprise on request. Acceptance and sweep gas sit inside that fee, with no surcharge. On withdrawal Paymos takes 0 commission and subsidises the network cost: moving USDT to your whitelisted wallet costs you less than the chain would charge directly. It is not free — you pay a reduced network fee — but there's no second Paymos cut on the payout.
Compared to a typical crypto gateway
Most gateways port one EVM playbook onto Plasma — a buyer who paid in sponsored USDT still gets quoted a second gas coin they don't need, on a shared deposit address that leans on a memo. Paymos meets the chain on its own terms: a fresh BIP-44 deposit address per invoice, nothing to tag by hand, and a confirmation wait sized to Plasma's one-second finality rather than a padded block count. Each state change posts a webhook signed with HMAC-SHA256, re-sent up to 11 times over roughly 32 hours until it lands, so fulfilment can run before the buyer leaves the success screen. Send your own external_order_id and a replayed call returns the original invoice instead of booking the order twice.
What we don't do on Plasma
We accept USDT on Plasma only — no USDC, DAI, USD1, or XAUT, since none are natively issued here, and we don't take bridge wrappers. USDT in is USDT on your balance: Paymos never swaps it to another token or converts it to fiat, and there's no off-ramp to a bank account inside the product. A refund is a manual outbound transfer you send from the dashboard, not a customer self-service portal. And while the inbound broadcast is the buyer's to pay, on Plasma that cost is the sponsored USDT transfer above — typically nothing for them to fund.
Frequently asked questions
Is Plasma a Layer-2 or a Layer-1?
Plasma is a Layer-1. It runs its own validator set and its own PlasmaBFT consensus, and produces its own blocks — it doesn't settle to another chain the way a rollup does. It anchors checkpoints to Bitcoin for extra security, but that's a settlement safeguard, not what makes it an L2. For a merchant the practical upshot is the same either way: payments are fast and final.
Why does Plasma not accept USDC?
Circle has not natively issued USDC on Plasma. Anything labeled "USDC on Plasma" would be a bridge wrapper, and Paymos does not accept bridge variants of stablecoins. If your customer wants to pay in USDC, route them to a chain where USDC is canonical — Ethereum, Polygon, Arbitrum, Optimism, Base, Avalanche, Solana, or NEAR.
Can a customer pay me from an exchange to Plasma?
Yes, where the exchange lists Plasma as a USDT withdrawal network. The buyer selects Plasma at the withdrawal step, and the transfer lands on the per-invoice address Paymos generated for that payment. Plasma is newer than Tron or Ethereum, so a given exchange may not offer it yet — if it's missing, the buyer can withdraw on a network you also accept.
Is the deposit address format the same as Ethereum?
Yes — Plasma is EVM-compatible, so the address is the familiar 0x… hex string. The format alone doesn't tell the two chains apart, though: a Plasma address and an Ethereum address look identical, and USDT sent on the wrong one won't credit. The checkout always states the network at the deposit step, so the buyer picks Plasma deliberately rather than by guessing from the address.
Has Plasma ever had a chain outage?
Plasma is young: its mainnet beta opened on 25 September 2025, so it has months of track record, not years, and no widely reported multi-hour halt so far. A short record is its own caveat, and Paymos doesn't bet on any chain staying up regardless: if Plasma stops producing blocks, the scanner stops advancing and holds confirmations there, so a payment reads as pending — never as settled off a halted chain — and resumes once the network recovers.