Technical Docs & Audits

THIS ENTIRE PAGE IS A BUNCH OF LINK UPDATES WE CAN DO ONCE ON DOCUSAURUS - IT WILL NEED A FULL REWRITE FROM TECHNICAL TEAM MEMBERS

Technical papers

Whitepaper

Code base (Github)

Bold Core
Governance

Audit reports

• ChainSecurity - Code Assessment — several audits between Aug 2024 and May 2025
• Dedaub - Core Protocol Audit Report I, August 2024
• Dedaub - Core Protocol Audit Report II, November 2024
• Certora - Formal Verification, December 2024
• Coinspect - Bold Core Smart Contract Audit, December 2024
• Coinspect - Bold Governance Audit, January 2025
• ChainSecurity - Governance Smart Contract Audit, January 2025
• Dedaub - Governance Audit 1, August 2024
• Dedaub - Governance Audit 2, November 2024
• Dedaub - Governance Audit 3, January 2025
• Recon - Liquity Security Review, October 2024
• Dedaub - Cantina fixes review, May 2025
• Cantina Competiton, March-April 2025
• Coinspect - Redemption Helper, October 2025

Economic modelling and simulation

• Chaos Labs: Mechanism Design Review, October 2024

Contract addresses

BOLD Token

• BOLD Mainnet: 0x6440f144b7e50D6a8439336510312d2F54beB01D
• BOLD Base: 0x03569CC076654F82679C4BA2124D64774781B01D
• BOLD Arbitrum: 0x03569CC076654F82679C4BA2124D64774781B01D
• BOLD HyperEVM: 0x84533b1512A3A23F0c9668D88FDf86FEffdbb11A
• BOLD Optimism: 0x03569CC076654F82679C4BA2124D64774781B01D
• BOLD Scroll: 0x03569CC076654F82679C4BA2124D64774781B01D
• BOLD Avalanche: 0x03569CC076654F82679C4BA2124D64774781B01D
• BOLD Sonic: 0xf05a207442f14E446b0e32b12D2043bfc68Cb1C9
• BOLD Berachain: 0xf05a207442f14E446b0e32b12D2043bfc68Cb1C9
• BOLD Swell: 0x1a17b22d762c8cf2ca0f07e2b3c32e7481bb0d8c

Shared contracts

• collateralRegistry: 0xf949982b91c8c61e952b3ba942cbbfaef5386684
• boldToken: 0x6440f144b7e50d6a8439336510312d2f54beb01d
• hintHelpers: 0xf0cae19c96e572234398d6665cc1147a16cbe657
• multiTroveGetter: 0xfa61db085510c64b83056db3a7acf3b6f631d235
• exchangeHelpers: 0x2f60bab0072abec7058017f48d7256ec288c8686

ETH branch

• collToken: 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2
• addressesRegistry: 0x20f7c9ad66983f6523a0881d0f82406541417526
• activePool: 0xeb5a8c825582965f1d84606e078620a84ab16afe
• borrowerOperations: 0x372abd1810eaf23cb9d941bbe7596dfb2c46bc65
• collSurplusPool: 0xedbe2509e502c0320d2e7f8b6746a49b4b50e2bf
• defaultPool: 0xd4558240d50c2e219a21c9d25afd513bb6e5b1a0
• sortedTroves: 0xa25269e41bd072513849f2e64ad221e84f3063f4
• stabilityPool: 0x5721cbbd64fc7ae3ef44a0a3f9a790a9264cf9bf
• troveManager: 0x7bcb64b2c9206a5b699ed43363f6f98d4776cf5a
• troveNFT: 0x1a0fc0b843afd9140267d25d4e575cb37a838013
• metadataNFT: 0x9b36c3b16299d68c79f174df7e728e35b6af4a12
• priceFeed: 0xcc5f8102eb670c89a4a3c567c13851260303c24f
• gasPool: 0x7b9ab3de4036cae51f1fa4ec0a2c2fd606bcf921
• interestRouter: 0x807def5e7d057df05c796f4bc75c3fe82bd6eee1
• wethZapper: 0x7022a4f4a2b9f0c30a5eb0b0073a8bb4c8e70c1f
• gasCompZapper: 0x0000000000000000000000000000000000000000
• leverageZapper: 0xdccbd7a365aee086aa3b4ede8afe895b20770ae3

wstETH branch

• collToken: 0x7f39c581f595b53c5cb19bd0b3f8da6c935e2ca0
• addressesRegistry: 0x8d733f7ea7c23cbea7c613b6ebd845d46d3aac54
• activePool: 0x531a8f99c70d6a56a7cee02d6b4281650d7919a0
• borrowerOperations: 0xa741a32f9dcfe6adba088fd0f97e90742d7d5da3
• collSurplusPool: 0x36e6cbdf68f64cf00fc3a6c634a25be32dd0a235
• defaultPool: 0xd796e1648526400386cc4d12fa05e5f11e6a22a1
• sortedTroves: 0x84eb85a8c25049255614f0536bea8f31682e86f1
• stabilityPool: 0x9502b7c397e9aa22fe9db7ef7daf21cd2aebe56b
• troveManager: 0xa2895d6a3bf110561dfe4b71ca539d84e1928b22
• troveNFT: 0x857aecebf75f1012dc18e15020c97096aea31b04
• metadataNFT: 0x362f822df79790c8077e61110484fffa48f682a1
• priceFeed: 0xe7aa2ba9e086a379d3beb224098bc634a46e314e
• gasPool: 0x8c44fba379d8a8608c0e29b2729deb75a981db1f
• interestRouter: 0x807def5e7d057df05c796f4bc75c3fe82bd6eee1
• wethZapper: 0x0000000000000000000000000000000000000000
• gasCompZapper: 0xbd69d3e0ea967d146e925b7572b765c8e9c4127d
• leverageZapper: 0xe85230de04147c4ea363b21cdb801c1c19df0a56

rETH branch

• collToken: 0xae78736cd615f374d3085123a210448e74fc6393
• addressesRegistry: 0x6106046f031a22713697e04c08b330ddaf3e8789
• activePool: 0x9074d72cc82dad1e13e454755aa8f144c479532f
• borrowerOperations: 0xe8119fc02953b27a1b48d2573855738485a17329
• collSurplusPool: 0xba4a2bd8b76df84cac98eba3f4b967d8423192bf
• defaultPool: 0x5cc5cefd034fdc4728d487a72ca58a410cddcd6b
• sortedTroves: 0x14d8d8011df2b396ed2bbc4959bb73250324f386
• stabilityPool: 0xd442e41019b7f5c4dd78f50dc03726c446148695
• troveManager: 0xb2b2abeb5c357a234363ff5d180912d319e3e19e
• troveNFT: 0x7ae430e25b67f19b431e1d1dc048a5bcf24c0873
• metadataNFT: 0x3400874305e1547020fb8e80eaf1308b757171af
• priceFeed: 0x34f1e9c7dcc279ec70d3c4488eb2d80fba8b7b2b
• gasPool: 0x45c81dce308389e1bee63ae30a04fb1e148dad41
• interestRouter: 0x807def5e7d057df05c796f4bc75c3fe82bd6eee1
• wethZapper: 0x0000000000000000000000000000000000000000
• gasCompZapper: 0xbe8b230dcd12e246f5edc5c103cc98be68ab636f
• leverageZapper: 0x75036b1d6de5665c60f5c33bb4a64e8e123211a2

Governance

• governance: 0x807def5e7d057df05c796f4bc75c3fe82bd6eee1
• curveUsdcBoldPool: 0xefc6516323fbd28e80b85a497b65a86243a54b3e
• curveUsdcBoldGauge: 0x07a01471fa544d9c6531b631e6a96a79a9ad05e9
• curveUsdcBoldInitiative: 0xba415afa8fcd65196764b5e08cb4dbf90bee33b4
• curveLusdBoldPool: 0x7ed17e037b7d88a8270c89b3afa9c38e5218f12b
• curveLusdBoldGauge: 0xa37cdce0207127204682d3235ead2c7a4c5d6c5c
• curveLusdBoldInitiative: 0x0c76eae597afa2aa163a8c845f7e7e870256ac7e
• defiCollectiveInitiative: 0xdc6f869d2d34e4aee3e89a51f2af6d54f0f7f690
• stakingV1: 0x4f9fbb3f1e99b56e0fe2892e623ed36a76fc605d
• LQTYToken: 0x6dea81c8171d0ba574754ef6f8b412f2ed88c54d
• LUSDToken: 0x5f98805a4e8be255a32880fdec7f6728c6568ba0

Oracles

EVRO leverages Api3's OEV (Oracle Extractable Value) oracles as its primary price feed solution. Api3 not only provides EVRO reliable, price data but also generates additional revenue for the protocol through OEV rewards. By capturing value that would otherwise leak to MEV bots and arbitrageurs, Api3's oracles help maximize protocol efficiency while maintaining robust price accuracy.

To learn more about Api3 check out this website here: https://api3.org/

Oracle Addresses

Oracle Type	Address	Description
ETH/USD	0x4DF393Fa84e4a0CFdF14ce52f2a4E0c3d1AB0668	Api3 ETH/USD oracle
wstETH/stETH	0xAC7d5c56eBADdcBd97F9Efe586875F61410a54B4	wstETH/stETH oracle
stETH/USD	0x07C5b924399cc23c24a95c8743DE4006a32b7f2a	Chainlink stETH/USD oracle
rETH/ETH	0xA99a7c32c68Ec86127C0Cff875eE10B9C87fA12d	rETH/ETH oracle
rsETH/ETH	0x8fE61e9D74ab69cE9185F365dfc21FC168c4B56c	rsETH/ETH oracle
weETH/ETH	0xabB160Db40515B77998289afCD16DC06Ae71d12E	weETH/ETH oracle
ARB/USD	0x016aAE62d4c3a9b1101a8F9597227c045a41656F	ARB/USD oracle
COMP/USD	0x9Bd88Dc926DDC36EbBf533Eee0f323C4A194753B	COMP/USD oracle
tBTC/USD	0x1aF6168B78aDeE8F3CF3E99156FC066CfCB03F9e	tBTC/USD oracle
BTC/USD	0xF4A606Ab69FCac4cc429bf4B032BB2Ff74fe31f1	BTC/USD oracle

Staleness Thresholds

tip

All oracles have a 25-hour staleness threshold to ensure price feeds remain current and reliable.

Oracle Providers

• API3: Primary oracle provider, which also pays EVRO OEV rewards
• Chainlink: Backup oracle provider and used for stETH/USD price feeds

Usage

These oracles are used as part of the PriceFeeds in the EVRO protocol for:

• Collateral valuation
• Liquidation calculations
• Risk management
• Price stability monitoring

Collateral Parameters

Checkout out this blog on how various collateral ratio systems work.

MCR is the primary requirement for each trove, but there are also overall global requirements for each branch.

Token	CCR_Tag	Initial Debt Limit	Over Col Ratio (MCR)	SCR	CCR	LTV
WETH	ETH	$100,000,000	110	110	150	90.91%
wstETH	LST	$25,000,000	110	110	160	90.91%
rETH	LST	$25,000,000	110	110	160	90.91%
rsETH (kelp)	LRT	$5,000,000	130	115	160	76.92%
weETH (etherfi)	LRT	$2,000,000	130	115	160	76.92%
tETH (treehouse)	TREE	$2,000,000	140	120	165	71.43%
ARB	ARB	$5,000,000	140	3	165	71.43%
COMP	COMP	$2,000,000	140	115	165	71.43%
tBTC (threshold)	BTC	$5,000,000	115	110	160	86.96%

BCR is MCR + 10% in all cases.

Debt Limit

For security, the debt limit can be set to 0 by governance, in case of emergency. This would allow only paying back debt, and no new borrowing. Governance can then later increase up to the initial debt limit, or up to 2x the current debt limit.