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Circle Match: How Hourly USDC Mint Rebate Auctions Work

Circle Match: How Hourly USDC Mint Rebate Auctions Work

Circle Match, launched 22 October 2026, runs hourly prefunded auctions inside Circle Mint. Redeemers cap their fee at the Express rate and matched minters collect it as a USDC rebate. Stablecoin Insider works through a full auction and shows who saves money.

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x402 Vulnerabilities: 3 Critical Flaws and How to Patch
AI

x402 Vulnerabilities: 3 Critical Flaws and How to Patch

V12 disclosed 25 x402 vulnerabilities on 22 October, three of them critical: no default spending limit, a Solana payment bypass and cross-site login signing. Stablecoin Insider explains each flaw, who is still exposed and how to patch agents that pay in USDC.

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SoFi Tokenized Deposit: SOFIE Pays 4.40%, SoFiUSD Doesn't

SoFi Tokenized Deposit: SOFIE Pays 4.40%, SoFiUSD Doesn't

SoFi launched SOFIE, a tokenized deposit that pays 4.40% APY with FDIC insurance and converts 1:1 into its SoFiUSD stablecoin. Stablecoin Insider breaks down why SoFi needs two tokens, what the yield is worth against T-bills, and where the protection stops.

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ERC-8004: Agent IDs for Stablecoin Payments, Explained
AI

ERC-8004: Agent IDs for Stablecoin Payments, Explained

ERC-8004 gives every AI agent an NFT identity, a public feedback trail and a verified wallet for stablecoin payments. Registrations jumped past 1.3 million in October 2026. Stablecoin Insider explains the three registries, what the surge really shows and how to use it before paying an agent.

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Canada Stablecoin Regulations: 3-Day Redemption, 1% Fee Cap

Canada Stablecoin Regulations: 3-Day Redemption, 1% Fee Cap

Canada published its proposed Stablecoin Regulations in the Canada Gazette on 24 October 2026. Issuers register with the Bank of Canada, redeem within three business days, cap redemption fees at 1% and pay tiered supervision fees. Comments close 23 December 2026.

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PayPal PYUSD Intercompany Settlement: $1B in Hours

PayPal PYUSD Intercompany Settlement: $1B in Hours

PayPal's treasury team moved more than $1 billion between its own subsidiaries in PYUSD, and a Singapore-to-US dividend cleared in hours instead of days. Stablecoin Insider breaks down the four building blocks, the float math and what other treasurers need first.

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OCC GENIUS Act Final Rule: Yield, Reserves and Redemptions

OCC GENIUS Act Final Rule: Yield, Reserves and Redemptions

The OCC finalized its GENIUS Act rule on 21 October 2026. It dropped the presumption against third-party stablecoin rewards, cut daily liquidity to 5%, removed the automatic 7-day redemption extension and kept a 12-month operational backstop.

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Western Union Receiver Redirect: Noah Delivers USDPT Payouts

Western Union Receiver Redirect: Noah Delivers USDPT Payouts

Western Union picked Noah to run Receiver Redirect, which delivers money transfers as USDPT stablecoin into a Western Union wallet. Here's how the flow works, who does what, what it would need to cost to beat World Bank benchmarks, and what the announcement leaves out.

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Lead Bank Stablecoin Payouts: USDC Ramps and 44-Country FX

Lead Bank Stablecoin Payouts: USDC Ramps and 44-Country FX

Lead Bank now converts dollars to USDC, USDC to dollars, and dollars to local currency in 44 countries over stablecoin rails. Here's how each flow works from Lead's own API docs, what the post-settlement FX rate means for pricing, how returns and name checks behave, and who should test it first.

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x401 Protocol: How AI Agents Prove Identity and Pay in USDC
AI

x401 Protocol: How AI Agents Prove Identity and Pay in USDC

x401 is Proof's open HTTP protocol for asking an AI agent to prove who stands behind it. Here is how it works with x402 and a Circle Agent Wallet, what the Money20/20 demo showed, who pays whom in USDC, and where the draft spec still has gaps.

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BitGo vs Fireblocks for Stablecoin Custody and Treasury

BitGo vs Fireblocks for Stablecoin Custody and Treasury

BitGo vs Fireblocks, compared from each vendor's own docs and pricing pages: who holds the keys, which charters back custody, how policy engines behave, how stablecoin issuance works, what the published pricing implies at three USDC volumes, and who should pick which.

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