explore/docs/DEPRECATED_ENVS.md

Deprecated environment variables

Variable	Type	Description	Compulsoriness	Default value	Example value	Introduced in version	Deprecated in version	Comment
NEXT_PUBLIC_FAVICON_GENERATOR_API_KEY	string	RealFaviconGenerator API key	Required	-	<your-secret>	v1.11.0	v1.16.0	Replaced FAVICON_GENERATOR_API_KEY
FAVICON_GENERATOR_API_KEY	string	RealFaviconGenerator API key	Required	-	<your-secret>	v1.16.0+	v1.37.0	We don't use RealFaviconGenerator anymore
NEXT_PUBLIC_IS_OPTIMISTIC_L2_NETWORK	boolean	Set to true for optimistic L2 solutions	Required	-	true	v1.17.0	v1.24.0	Replaced by NEXT_PUBLIC_ROLLUP_TYPE
NEXT_PUBLIC_IS_ZKEVM_L2_NETWORK	boolean	Set to true for zkevm L2 solutions	Required	-	true	v1.17.0	v1.24.0	Replaced by NEXT_PUBLIC_ROLLUP_TYPE
NEXT_PUBLIC_OPTIMISTIC_L2_WITHDRAWAL_URL	string	URL for optimistic L2 -> L1 withdrawals	Required	-	https://app.optimism.io/bridge/withdraw	v1.17.0	v1.24.0	Renamed to NEXT_PUBLIC_ROLLUP_L2_WITHDRAWAL_URL
NEXT_PUBLIC_L1_BASE_URL	string	Blockscout base URL for L1 network	Required	-	'http://eth-goerli.blockscout.com'	-	v1.24.0	Renamed to NEXT_PUBLIC_ROLLUP_L1_BASE_URL
NEXT_PUBLIC_HOMEPAGE_SHOW_GAS_TRACKER	boolean	Set to false if network doesn't have gas tracker	-	true	false	-	v1.25.0	Replaced by NEXT_PUBLIC_GAS_TRACKER_ENABLED
NEXT_PUBLIC_NETWORK_GOVERNANCE_TOKEN_SYMBOL	string	Network governance token symbol	-	-	GNO	v1.12.0	v1.29.0	Replaced by NEXT_PUBLIC_NETWORK_SECONDARY_COIN_SYMBOL
NEXT_PUBLIC_SWAP_BUTTON_URL	string	Application ID in the marketplace or website URL	-	-	uniswap	v1.24.0	v1.31.0	Replaced by NEXT_PUBLIC_DEFI_DROPDOWN_ITEMS
NEXT_PUBLIC_HOMEPAGE_SHOW_AVG_BLOCK_TIME	boolean	Set to false if average block time is useless for the network	-	true	false	v1.0.x+	v1.35.0	Replaced by NEXT_PUBLIC_HOMEPAGE_STATS
NEXT_PUBLIC_CELO_L2_UPGRADE_BLOCK	number	Indicates the block number when the Celo-type chain transitioned to L2. This is used to display links to the Epoch block page from a regular block page.	-	-	26369280	v1.37.0+	v2.2.0	Removed; configuration done on the API side
NEXT_PUBLIC_NAVIGATION_HIDDEN_LINKS	Array<LinkId>	List of external links hidden in the navigation. Supported ids are eth_rpc_api, rpc_api	-	-	['eth_rpc_api']	v1.16.0+	v2.3.0	Use NEXT_PUBLIC_API_DOCS_TABS instead to hide tabs on the API docs page.
NEXT_PUBLIC_MARKETPLACE_RATING_AIRTABLE_API_KEY	string	Airtable API key for dapp ratings	-	-	-	v1.33.0+	v2.3.0	Removed; now the ratings come from the API
NEXT_PUBLIC_MARKETPLACE_RATING_AIRTABLE_BASE_ID	string	Airtable base ID with dapp ratings	-	-	-	v1.33.0+	v2.3.0	Removed; now the ratings come from the API
NEXT_PUBLIC_MARKETPLACE_SECURITY_REPORTS_URL	string	URL of configuration file (.json format only) which contains app security reports for displaying security scores on the Marketplace page	-	-	https://example.com/marketplace_security_reports.json	v1.28.0+	v2.3.0	Removed; we don't support this feature anymore
NEXT_PUBLIC_ROLLUP_PARENT_CHAIN_NAME	string	Set to customize L1 transaction status labels in the UI (e.g., "Sent to "). This setting is applicable only for Arbitrum-based chains.	-	-	DuckChain	v1.37.0+	v2.4.0+	Replaced with NEXT_PUBLIC_ROLLUP_PARENT_CHAIN
NEXT_PUBLIC_SENTRY_DSN	string	Client key for your Sentry.io app	Required	-	<your-secret>	v1.0.x+	v2.4.0+	Feature is no longer supported
SENTRY_CSP_REPORT_URI	string	URL for sending CSP-reports to your Sentry.io app	-	-	<your-secret>	v1.0.x+	v2.4.0+	Feature is no longer supported
NEXT_PUBLIC_SENTRY_ENABLE_TRACING	boolean	Enables tracing and performance monitoring in Sentry.io	-	false	true	v1.17.0+	v2.4.0+	Feature is no longer supported
NEXT_PUBLIC_AUTH0_CLIENT_ID	string	Client id for Auth0 provider	-	-	<your-secret>	v1.0.x+	v2.4.0+	Variable is no longer required
NEXT_PUBLIC_AUTH_URL	string	Account auth base url; it is used for building login URL (${ NEXT_PUBLIC_AUTH_URL }/auth/auth0) and logout return URL (${ NEXT_PUBLIC_AUTH_URL }/auth/logout); if not provided the base app URL will be used instead	-	-	https://blockscout.com	v1.0.x+	v2.4.0+	Variable is no longer required
NEXT_PUBLIC_LOGOUT_URL	string	Account logout url. Required if account is supported for the app instance.	-	-	https://blockscoutcom.us.auth0.com/v2/logout	v1.0.x+	v2.4.0+	Variable is no longer required
NEXT_PUBLIC_RE_CAPTCHA_V3_APP_SITE_KEY	string	Google reCAPTCHA v3 site key	-	-	<your-secret>	v1.36.x	v2.4.0+	Replaced with NEXT_PUBLIC_RE_CAPTCHA_APP_SITE_KEY
NEXT_PUBLIC_HOMEPAGE_PLATE_TEXT_COLOR	string	Text color of the hero plate on the homepage (escape "#" symbol if you use HEX color codes or use rgba-value instead).	-	white	\#DCFE76	v1.0.x+	v2.4.0+	Replaced by NEXT_PUBLIC_HOMEPAGE_HERO_BANNER_CONFIG
NEXT_PUBLIC_HOMEPAGE_PLATE_BACKGROUND	string	Background css value for hero plate on the homepage (escape "#" symbol if you use HEX color codes or use rgba-value instead).	-	radial-gradient(103.03% 103.03% at 0% 0%, rgba(183, 148, 244, 0.8) 0%, rgba(0, 163, 196, 0.8) 100%), var(--chakra-colors-blue-400)	radial-gradient(at 15% 86%, hsla(350,65%,70%,1) 0px, transparent 50%) | no-repeat bottom 20% right 0px/100% url(https://placekitten/1400/200)	v1.1.0+	v2.4.0+	Replaced by NEXT_PUBLIC_HOMEPAGE_HERO_BANNER_CONFIG
NEXT_PUBLIC_GRAPHIQL_TRANSACTION	string	Txn hash for default query at GraphQl API.	-	-	0x4a0ed8ddf751a7cb5297f827699117b0f6d21a0b2907594d300dc9fed75c7e62	v1.0.x+		Removed, as the latest transaction hash has now being obtained from the API.